Home / 272,120.74-375,531.12-149,618.30

Finding the Fourth Proportional to 272,120.74, 375,531.12 and 149,618.30

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Solution

The fourth proportional to 272,120.74, 375,531.12 and 149,618.30 is: 206,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,120.74 : 375,531.12 = 149,618.30 : x
  2. Step 2: Convert to fraction form
    272,120.74/375,531.12 = 149,618.30/x
  3. Step 3: Cross multiply
    272,120.74x = 375,531.12 × 149,618.30
  4. Step 4: Simplify right side
    272,120.74x = 56,186,325,145.75
  5. Step 5: Solve for x
    x = 56,186,325,145.75/272,120.74
  6. Step 6: Final answer
    x = 206,475.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.