Home / 102,659.16-153,988.76-38,629.36

Finding the Fourth Proportional to 102,659.16, 153,988.76 and 38,629.36

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Solution

The fourth proportional to 102,659.16, 153,988.76 and 38,629.36 is: 57,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,659.16 : 153,988.76 = 38,629.36 : x
  2. Step 2: Convert to fraction form
    102,659.16/153,988.76 = 38,629.36/x
  3. Step 3: Cross multiply
    102,659.16x = 153,988.76 × 38,629.36
  4. Step 4: Simplify right side
    102,659.16x = 5,948,486,957.60
  5. Step 5: Solve for x
    x = 5,948,486,957.60/102,659.16
  6. Step 6: Final answer
    x = 57,944.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.