Home / 187,125.19-258,234.58-102,242.25

Finding the Fourth Proportional to 187,125.19, 258,234.58 and 102,242.25

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Solution

The fourth proportional to 187,125.19, 258,234.58 and 102,242.25 is: 141,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,125.19 : 258,234.58 = 102,242.25 : x
  2. Step 2: Convert to fraction form
    187,125.19/258,234.58 = 102,242.25/x
  3. Step 3: Cross multiply
    187,125.19x = 258,234.58 × 102,242.25
  4. Step 4: Simplify right side
    187,125.19x = 26,402,484,614.81
  5. Step 5: Solve for x
    x = 26,402,484,614.81/187,125.19
  6. Step 6: Final answer
    x = 141,095.30

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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.