Home / 138,449.74-207,671.62-38,607.27

Finding the Fourth Proportional to 138,449.74, 207,671.62 and 38,607.27

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Solution

The fourth proportional to 138,449.74, 207,671.62 and 38,607.27 is: 57,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,449.74 : 207,671.62 = 38,607.27 : x
  2. Step 2: Convert to fraction form
    138,449.74/207,671.62 = 38,607.27/x
  3. Step 3: Cross multiply
    138,449.74x = 207,671.62 × 38,607.27
  4. Step 4: Simplify right side
    138,449.74x = 8,017,634,111.64
  5. Step 5: Solve for x
    x = 8,017,634,111.64/138,449.74
  6. Step 6: Final answer
    x = 57,910.07

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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.