Home / 125,092.31-187,638.85-30,322.12

Finding the Fourth Proportional to 125,092.31, 187,638.85 and 30,322.12

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Solution

The fourth proportional to 125,092.31, 187,638.85 and 30,322.12 is: 45,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.31 : 187,638.85 = 30,322.12 : x
  2. Step 2: Convert to fraction form
    125,092.31/187,638.85 = 30,322.12/x
  3. Step 3: Cross multiply
    125,092.31x = 187,638.85 × 30,322.12
  4. Step 4: Simplify right side
    125,092.31x = 5,689,608,004.16
  5. Step 5: Solve for x
    x = 5,689,608,004.16/125,092.31
  6. Step 6: Final answer
    x = 45,483.28

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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.