Home / 178,490.18-267,649.08-103,629.20

Finding the Fourth Proportional to 178,490.18, 267,649.08 and 103,629.20

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Solution

The fourth proportional to 178,490.18, 267,649.08 and 103,629.20 is: 155,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,490.18 : 267,649.08 = 103,629.20 : x
  2. Step 2: Convert to fraction form
    178,490.18/267,649.08 = 103,629.20/x
  3. Step 3: Cross multiply
    178,490.18x = 267,649.08 × 103,629.20
  4. Step 4: Simplify right side
    178,490.18x = 27,736,260,041.14
  5. Step 5: Solve for x
    x = 27,736,260,041.14/178,490.18
  6. Step 6: Final answer
    x = 155,393.76

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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.