Home / 187,454.50-258,690.45-102,572.98

Finding the Fourth Proportional to 187,454.50, 258,690.45 and 102,572.98

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Solution

The fourth proportional to 187,454.50, 258,690.45 and 102,572.98 is: 141,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454.50 : 258,690.45 = 102,572.98 : x
  2. Step 2: Convert to fraction form
    187,454.50/258,690.45 = 102,572.98/x
  3. Step 3: Cross multiply
    187,454.50x = 258,690.45 × 102,572.98
  4. Step 4: Simplify right side
    187,454.50x = 26,534,650,354.04
  5. Step 5: Solve for x
    x = 26,534,650,354.04/187,454.50
  6. Step 6: Final answer
    x = 141,552.49

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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.