Home / 113,148.28-156,144.69-62,164.30

Finding the Fourth Proportional to 113,148.28, 156,144.69 and 62,164.30

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Solution

The fourth proportional to 113,148.28, 156,144.69 and 62,164.30 is: 85,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.28 : 156,144.69 = 62,164.30 : x
  2. Step 2: Convert to fraction form
    113,148.28/156,144.69 = 62,164.30/x
  3. Step 3: Cross multiply
    113,148.28x = 156,144.69 × 62,164.30
  4. Step 4: Simplify right side
    113,148.28x = 9,706,625,352.57
  5. Step 5: Solve for x
    x = 9,706,625,352.57/113,148.28
  6. Step 6: Final answer
    x = 85,786.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.