Home / 127,133.10-175,508.94-89,575.02

Finding the Fourth Proportional to 127,133.10, 175,508.94 and 89,575.02

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Solution

The fourth proportional to 127,133.10, 175,508.94 and 89,575.02 is: 123,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133.10 : 175,508.94 = 89,575.02 : x
  2. Step 2: Convert to fraction form
    127,133.10/175,508.94 = 89,575.02/x
  3. Step 3: Cross multiply
    127,133.10x = 175,508.94 × 89,575.02
  4. Step 4: Simplify right side
    127,133.10x = 15,721,216,810.68
  5. Step 5: Solve for x
    x = 15,721,216,810.68/127,133.10
  6. Step 6: Final answer
    x = 123,659.51

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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.