Home / 84,816.10-127,224.15-73,152.10

Finding the Fourth Proportional to 84,816.10, 127,224.15 and 73,152.10

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Solution

The fourth proportional to 84,816.10, 127,224.15 and 73,152.10 is: 109,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.10 : 127,224.15 = 73,152.10 : x
  2. Step 2: Convert to fraction form
    84,816.10/127,224.15 = 73,152.10/x
  3. Step 3: Cross multiply
    84,816.10x = 127,224.15 × 73,152.10
  4. Step 4: Simplify right side
    84,816.10x = 9,306,713,743.22
  5. Step 5: Solve for x
    x = 9,306,713,743.22/84,816.10
  6. Step 6: Final answer
    x = 109,728.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.