Home / 230,066.16-345,134.07-72,279.78

Finding the Fourth Proportional to 230,066.16, 345,134.07 and 72,279.78

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Solution

The fourth proportional to 230,066.16, 345,134.07 and 72,279.78 is: 108,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.16 : 345,134.07 = 72,279.78 : x
  2. Step 2: Convert to fraction form
    230,066.16/345,134.07 = 72,279.78/x
  3. Step 3: Cross multiply
    230,066.16x = 345,134.07 × 72,279.78
  4. Step 4: Simplify right side
    230,066.16x = 24,946,214,650.10
  5. Step 5: Solve for x
    x = 24,946,214,650.10/230,066.16
  6. Step 6: Final answer
    x = 108,430.61

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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.