Home / 215,319.05-297,120.94-124,681.15

Finding the Fourth Proportional to 215,319.05, 297,120.94 and 124,681.15

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Solution

The fourth proportional to 215,319.05, 297,120.94 and 124,681.15 is: 172,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319.05 : 297,120.94 = 124,681.15 : x
  2. Step 2: Convert to fraction form
    215,319.05/297,120.94 = 124,681.15/x
  3. Step 3: Cross multiply
    215,319.05x = 297,120.94 × 124,681.15
  4. Step 4: Simplify right side
    215,319.05x = 37,045,380,488.28
  5. Step 5: Solve for x
    x = 37,045,380,488.28/215,319.05
  6. Step 6: Final answer
    x = 172,048.78

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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.