Home / 138,148.02-207,222.03-49,396.15

Finding the Fourth Proportional to 138,148.02, 207,222.03 and 49,396.15

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Solution

The fourth proportional to 138,148.02, 207,222.03 and 49,396.15 is: 74,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,148.02 : 207,222.03 = 49,396.15 : x
  2. Step 2: Convert to fraction form
    138,148.02/207,222.03 = 49,396.15/x
  3. Step 3: Cross multiply
    138,148.02x = 207,222.03 × 49,396.15
  4. Step 4: Simplify right side
    138,148.02x = 10,235,969,959.13
  5. Step 5: Solve for x
    x = 10,235,969,959.13/138,148.02
  6. Step 6: Final answer
    x = 74,094.22

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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.