Home / 138,013.15-207,019.48-43,250.60

Finding the Fourth Proportional to 138,013.15, 207,019.48 and 43,250.60

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Solution

The fourth proportional to 138,013.15, 207,019.48 and 43,250.60 is: 64,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,013.15 : 207,019.48 = 43,250.60 : x
  2. Step 2: Convert to fraction form
    138,013.15/207,019.48 = 43,250.60/x
  3. Step 3: Cross multiply
    138,013.15x = 207,019.48 × 43,250.60
  4. Step 4: Simplify right side
    138,013.15x = 8,953,716,721.69
  5. Step 5: Solve for x
    x = 8,953,716,721.69/138,013.15
  6. Step 6: Final answer
    x = 64,875.82

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1.5x scale

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.