Home / 187,129.39-258,235.53-102,244.63

Finding the Fourth Proportional to 187,129.39, 258,235.53 and 102,244.63

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Solution

The fourth proportional to 187,129.39, 258,235.53 and 102,244.63 is: 141,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,129.39 : 258,235.53 = 102,244.63 : x
  2. Step 2: Convert to fraction form
    187,129.39/258,235.53 = 102,244.63/x
  3. Step 3: Cross multiply
    187,129.39x = 258,235.53 × 102,244.63
  4. Step 4: Simplify right side
    187,129.39x = 26,403,196,217.70
  5. Step 5: Solve for x
    x = 26,403,196,217.70/187,129.39
  6. Step 6: Final answer
    x = 141,095.93

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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.