Home / 215,672.08-297,628.65-125,081.76

Finding the Fourth Proportional to 215,672.08, 297,628.65 and 125,081.76

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Solution

The fourth proportional to 215,672.08, 297,628.65 and 125,081.76 is: 172,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,672.08 : 297,628.65 = 125,081.76 : x
  2. Step 2: Convert to fraction form
    215,672.08/297,628.65 = 125,081.76/x
  3. Step 3: Cross multiply
    215,672.08x = 297,628.65 × 125,081.76
  4. Step 4: Simplify right side
    215,672.08x = 37,227,915,368.42
  5. Step 5: Solve for x
    x = 37,227,915,368.42/215,672.08
  6. Step 6: Final answer
    x = 172,613.52

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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.