Home / 138,037.27-207,060.51-38,189.10

Finding the Fourth Proportional to 138,037.27, 207,060.51 and 38,189.10

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Solution

The fourth proportional to 138,037.27, 207,060.51 and 38,189.10 is: 57,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,037.27 : 207,060.51 = 38,189.10 : x
  2. Step 2: Convert to fraction form
    138,037.27/207,060.51 = 38,189.10/x
  3. Step 3: Cross multiply
    138,037.27x = 207,060.51 × 38,189.10
  4. Step 4: Simplify right side
    138,037.27x = 7,907,455,334.72
  5. Step 5: Solve for x
    x = 7,907,455,334.72/138,037.27
  6. Step 6: Final answer
    x = 57,284.93

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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.