Home / 187,570.03-258,853.17-102,687.70

Finding the Fourth Proportional to 187,570.03, 258,853.17 and 102,687.70

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Solution

The fourth proportional to 187,570.03, 258,853.17 and 102,687.70 is: 141,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,570.03 : 258,853.17 = 102,687.70 : x
  2. Step 2: Convert to fraction form
    187,570.03/258,853.17 = 102,687.70/x
  3. Step 3: Cross multiply
    187,570.03x = 258,853.17 × 102,687.70
  4. Step 4: Simplify right side
    187,570.03x = 26,581,036,665.01
  5. Step 5: Solve for x
    x = 26,581,036,665.01/187,570.03
  6. Step 6: Final answer
    x = 141,712.60

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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.