Home / 102,787.68-141,844.48-62,502.72

Finding the Fourth Proportional to 102,787.68, 141,844.48 and 62,502.72

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Solution

The fourth proportional to 102,787.68, 141,844.48 and 62,502.72 is: 86,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,787.68 : 141,844.48 = 62,502.72 : x
  2. Step 2: Convert to fraction form
    102,787.68/141,844.48 = 62,502.72/x
  3. Step 3: Cross multiply
    102,787.68x = 141,844.48 × 62,502.72
  4. Step 4: Simplify right side
    102,787.68x = 8,865,665,816.99
  5. Step 5: Solve for x
    x = 8,865,665,816.99/102,787.68
  6. Step 6: Final answer
    x = 86,252.22

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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.