Home / 124,273.28-171,348.72-101,528.48

Finding the Fourth Proportional to 124,273.28, 171,348.72 and 101,528.48

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Solution

The fourth proportional to 124,273.28, 171,348.72 and 101,528.48 is: 139,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,273.28 : 171,348.72 = 101,528.48 : x
  2. Step 2: Convert to fraction form
    124,273.28/171,348.72 = 101,528.48/x
  3. Step 3: Cross multiply
    124,273.28x = 171,348.72 × 101,528.48
  4. Step 4: Simplify right side
    124,273.28x = 17,396,775,091.55
  5. Step 5: Solve for x
    x = 17,396,775,091.55/124,273.28
  6. Step 6: Final answer
    x = 139,988.06

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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.