Home / 125,939.10-188,908.65-124,772.70

Finding the Fourth Proportional to 125,939.10, 188,908.65 and 124,772.70

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Solution

The fourth proportional to 125,939.10, 188,908.65 and 124,772.70 is: 187,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.10 : 188,908.65 = 124,772.70 : x
  2. Step 2: Convert to fraction form
    125,939.10/188,908.65 = 124,772.70/x
  3. Step 3: Cross multiply
    125,939.10x = 188,908.65 × 124,772.70
  4. Step 4: Simplify right side
    125,939.10x = 23,570,642,313.86
  5. Step 5: Solve for x
    x = 23,570,642,313.86/125,939.10
  6. Step 6: Final answer
    x = 187,159.05

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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.