Home / 125,171.73-187,755.89-30,402.63

Finding the Fourth Proportional to 125,171.73, 187,755.89 and 30,402.63

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Solution

The fourth proportional to 125,171.73, 187,755.89 and 30,402.63 is: 45,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,171.73 : 187,755.89 = 30,402.63 : x
  2. Step 2: Convert to fraction form
    125,171.73/187,755.89 = 30,402.63/x
  3. Step 3: Cross multiply
    125,171.73x = 187,755.89 × 30,402.63
  4. Step 4: Simplify right side
    125,171.73x = 5,708,272,701.98
  5. Step 5: Solve for x
    x = 5,708,272,701.98/125,171.73
  6. Step 6: Final answer
    x = 45,603.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.