Home / 153,247.56-229,723.50-78,402.93

Finding the Fourth Proportional to 153,247.56, 229,723.50 and 78,402.93

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Solution

The fourth proportional to 153,247.56, 229,723.50 and 78,402.93 is: 117,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,247.56 : 229,723.50 = 78,402.93 : x
  2. Step 2: Convert to fraction form
    153,247.56/229,723.50 = 78,402.93/x
  3. Step 3: Cross multiply
    153,247.56x = 229,723.50 × 78,402.93
  4. Step 4: Simplify right side
    153,247.56x = 18,010,995,489.86
  5. Step 5: Solve for x
    x = 18,010,995,489.86/153,247.56
  6. Step 6: Final answer
    x = 117,528.76

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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.