Home / 127,920.52-175,591.01-113,457.16

Finding the Fourth Proportional to 127,920.52, 175,591.01 and 113,457.16

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Solution

The fourth proportional to 127,920.52, 175,591.01 and 113,457.16 is: 155,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920.52 : 175,591.01 = 113,457.16 : x
  2. Step 2: Convert to fraction form
    127,920.52/175,591.01 = 113,457.16/x
  3. Step 3: Cross multiply
    127,920.52x = 175,591.01 × 113,457.16
  4. Step 4: Simplify right side
    127,920.52x = 19,922,057,316.13
  5. Step 5: Solve for x
    x = 19,922,057,316.13/127,920.52
  6. Step 6: Final answer
    x = 155,737.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.