Home / 126,319.73-189,499.05-51,445.04

Finding the Fourth Proportional to 126,319.73, 189,499.05 and 51,445.04

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Solution

The fourth proportional to 126,319.73, 189,499.05 and 51,445.04 is: 77,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.73 : 189,499.05 = 51,445.04 : x
  2. Step 2: Convert to fraction form
    126,319.73/189,499.05 = 51,445.04/x
  3. Step 3: Cross multiply
    126,319.73x = 189,499.05 × 51,445.04
  4. Step 4: Simplify right side
    126,319.73x = 9,748,785,259.72
  5. Step 5: Solve for x
    x = 9,748,785,259.72/126,319.73
  6. Step 6: Final answer
    x = 77,175.48

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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.