Home / 127,132.40-175,451.04-73,419.68

Finding the Fourth Proportional to 127,132.40, 175,451.04 and 73,419.68

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Solution

The fourth proportional to 127,132.40, 175,451.04 and 73,419.68 is: 101,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,132.40 : 175,451.04 = 73,419.68 : x
  2. Step 2: Convert to fraction form
    127,132.40/175,451.04 = 73,419.68/x
  3. Step 3: Cross multiply
    127,132.40x = 175,451.04 × 73,419.68
  4. Step 4: Simplify right side
    127,132.40x = 12,881,559,212.47
  5. Step 5: Solve for x
    x = 12,881,559,212.47/127,132.40
  6. Step 6: Final answer
    x = 101,323.97

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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.