Home / 156,134.13-234,207.67-45,326.13

Finding the Fourth Proportional to 156,134.13, 234,207.67 and 45,326.13

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Solution

The fourth proportional to 156,134.13, 234,207.67 and 45,326.13 is: 67,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,134.13 : 234,207.67 = 45,326.13 : x
  2. Step 2: Convert to fraction form
    156,134.13/234,207.67 = 45,326.13/x
  3. Step 3: Cross multiply
    156,134.13x = 234,207.67 × 45,326.13
  4. Step 4: Simplify right side
    156,134.13x = 10,615,727,297.42
  5. Step 5: Solve for x
    x = 10,615,727,297.42/156,134.13
  6. Step 6: Final answer
    x = 67,991.07

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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.