Home / 134,132.96-185,108.04-73,705.78

Finding the Fourth Proportional to 134,132.96, 185,108.04 and 73,705.78

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Solution

The fourth proportional to 134,132.96, 185,108.04 and 73,705.78 is: 101,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,132.96 : 185,108.04 = 73,705.78 : x
  2. Step 2: Convert to fraction form
    134,132.96/185,108.04 = 73,705.78/x
  3. Step 3: Cross multiply
    134,132.96x = 185,108.04 × 73,705.78
  4. Step 4: Simplify right side
    134,132.96x = 13,643,532,472.47
  5. Step 5: Solve for x
    x = 13,643,532,472.47/134,132.96
  6. Step 6: Final answer
    x = 101,716.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.