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Finding the Fourth Proportional to 187,502.31, 258,751.67 and 102,619.17

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Solution

The fourth proportional to 187,502.31, 258,751.67 and 102,619.17 is: 141,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,502.31 : 258,751.67 = 102,619.17 : x
  2. Step 2: Convert to fraction form
    187,502.31/258,751.67 = 102,619.17/x
  3. Step 3: Cross multiply
    187,502.31x = 258,751.67 × 102,619.17
  4. Step 4: Simplify right side
    187,502.31x = 26,552,881,098.42
  5. Step 5: Solve for x
    x = 26,552,881,098.42/187,502.31
  6. Step 6: Final answer
    x = 141,613.62

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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.