Home / 215,927.64-297,981.48-125,337.72

Finding the Fourth Proportional to 215,927.64, 297,981.48 and 125,337.72

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Solution

The fourth proportional to 215,927.64, 297,981.48 and 125,337.72 is: 172,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,927.64 : 297,981.48 = 125,337.72 : x
  2. Step 2: Convert to fraction form
    215,927.64/297,981.48 = 125,337.72/x
  3. Step 3: Cross multiply
    215,927.64x = 297,981.48 × 125,337.72
  4. Step 4: Simplify right side
    215,927.64x = 37,348,319,305.43
  5. Step 5: Solve for x
    x = 37,348,319,305.43/215,927.64
  6. Step 6: Final answer
    x = 172,966.83

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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.