Home / 138,041.10-207,033.30-38,176.20

Finding the Fourth Proportional to 138,041.10, 207,033.30 and 38,176.20

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Solution

The fourth proportional to 138,041.10, 207,033.30 and 38,176.20 is: 57,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,041.10 : 207,033.30 = 38,176.20 : x
  2. Step 2: Convert to fraction form
    138,041.10/207,033.30 = 38,176.20/x
  3. Step 3: Cross multiply
    138,041.10x = 207,033.30 × 38,176.20
  4. Step 4: Simplify right side
    138,041.10x = 7,903,744,667.46
  5. Step 5: Solve for x
    x = 7,903,744,667.46/138,041.10
  6. Step 6: Final answer
    x = 57,256.46

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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.