Home / 102,786.32-141,854.28-62,490.44

Finding the Fourth Proportional to 102,786.32, 141,854.28 and 62,490.44

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Solution

The fourth proportional to 102,786.32, 141,854.28 and 62,490.44 is: 86,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,786.32 : 141,854.28 = 62,490.44 : x
  2. Step 2: Convert to fraction form
    102,786.32/141,854.28 = 62,490.44/x
  3. Step 3: Cross multiply
    102,786.32x = 141,854.28 × 62,490.44
  4. Step 4: Simplify right side
    102,786.32x = 8,864,536,373.08
  5. Step 5: Solve for x
    x = 8,864,536,373.08/102,786.32
  6. Step 6: Final answer
    x = 86,242.38

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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.