Home / 215,777.04-323,665.56-75,502.86

Finding the Fourth Proportional to 215,777.04, 323,665.56 and 75,502.86

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Solution

The fourth proportional to 215,777.04, 323,665.56 and 75,502.86 is: 113,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,777.04 : 323,665.56 = 75,502.86 : x
  2. Step 2: Convert to fraction form
    215,777.04/323,665.56 = 75,502.86/x
  3. Step 3: Cross multiply
    215,777.04x = 323,665.56 × 75,502.86
  4. Step 4: Simplify right side
    215,777.04x = 24,437,675,463.50
  5. Step 5: Solve for x
    x = 24,437,675,463.50/215,777.04
  6. Step 6: Final answer
    x = 113,254.29

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1.5x scale

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.