Home / 84,927.12-127,393.53-38,180.16

Finding the Fourth Proportional to 84,927.12, 127,393.53 and 38,180.16

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Solution

The fourth proportional to 84,927.12, 127,393.53 and 38,180.16 is: 57,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.12 : 127,393.53 = 38,180.16 : x
  2. Step 2: Convert to fraction form
    84,927.12/127,393.53 = 38,180.16/x
  3. Step 3: Cross multiply
    84,927.12x = 127,393.53 × 38,180.16
  4. Step 4: Simplify right side
    84,927.12x = 4,863,905,358.36
  5. Step 5: Solve for x
    x = 4,863,905,358.36/84,927.12
  6. Step 6: Final answer
    x = 57,271.52

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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.