Home / 125,720.72-188,581.08-36,974.98

Finding the Fourth Proportional to 125,720.72, 188,581.08 and 36,974.98

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Solution

The fourth proportional to 125,720.72, 188,581.08 and 36,974.98 is: 55,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.72 : 188,581.08 = 36,974.98 : x
  2. Step 2: Convert to fraction form
    125,720.72/188,581.08 = 36,974.98/x
  3. Step 3: Cross multiply
    125,720.72x = 188,581.08 × 36,974.98
  4. Step 4: Simplify right side
    125,720.72x = 6,972,780,718.47
  5. Step 5: Solve for x
    x = 6,972,780,718.47/125,720.72
  6. Step 6: Final answer
    x = 55,462.46

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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.