Home / 84,816.90-127,225.35-79,568.10

Finding the Fourth Proportional to 84,816.90, 127,225.35 and 79,568.10

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Solution

The fourth proportional to 84,816.90, 127,225.35 and 79,568.10 is: 119,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.90 : 127,225.35 = 79,568.10 : x
  2. Step 2: Convert to fraction form
    84,816.90/127,225.35 = 79,568.10/x
  3. Step 3: Cross multiply
    84,816.90x = 127,225.35 × 79,568.10
  4. Step 4: Simplify right side
    84,816.90x = 10,123,079,371.34
  5. Step 5: Solve for x
    x = 10,123,079,371.34/84,816.90
  6. Step 6: Final answer
    x = 119,352.15

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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.