Home / 152,285.38-209,952.48-124,961.38

Finding the Fourth Proportional to 152,285.38, 209,952.48 and 124,961.38

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Solution

The fourth proportional to 152,285.38, 209,952.48 and 124,961.38 is: 172,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,285.38 : 209,952.48 = 124,961.38 : x
  2. Step 2: Convert to fraction form
    152,285.38/209,952.48 = 124,961.38/x
  3. Step 3: Cross multiply
    152,285.38x = 209,952.48 × 124,961.38
  4. Step 4: Simplify right side
    152,285.38x = 26,235,951,635.22
  5. Step 5: Solve for x
    x = 26,235,951,635.22/152,285.38
  6. Step 6: Final answer
    x = 172,281.49

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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.