Home / 102,612.60-141,605.28-62,315.64

Finding the Fourth Proportional to 102,612.60, 141,605.28 and 62,315.64

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Solution

The fourth proportional to 102,612.60, 141,605.28 and 62,315.64 is: 85,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,612.60 : 141,605.28 = 62,315.64 : x
  2. Step 2: Convert to fraction form
    102,612.60/141,605.28 = 62,315.64/x
  3. Step 3: Cross multiply
    102,612.60x = 141,605.28 × 62,315.64
  4. Step 4: Simplify right side
    102,612.60x = 8,824,223,650.58
  5. Step 5: Solve for x
    x = 8,824,223,650.58/102,612.60
  6. Step 6: Final answer
    x = 85,995.52

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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.