Home / 138,001.90-207,002.85-49,258.30

Finding the Fourth Proportional to 138,001.90, 207,002.85 and 49,258.30

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Solution

The fourth proportional to 138,001.90, 207,002.85 and 49,258.30 is: 73,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,001.90 : 207,002.85 = 49,258.30 : x
  2. Step 2: Convert to fraction form
    138,001.90/207,002.85 = 49,258.30/x
  3. Step 3: Cross multiply
    138,001.90x = 207,002.85 × 49,258.30
  4. Step 4: Simplify right side
    138,001.90x = 10,196,608,486.16
  5. Step 5: Solve for x
    x = 10,196,608,486.16/138,001.90
  6. Step 6: Final answer
    x = 73,887.45

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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.