Home / 272,132.12-408,247.54-112,119.20

Finding the Fourth Proportional to 272,132.12, 408,247.54 and 112,119.20

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Solution

The fourth proportional to 272,132.12, 408,247.54 and 112,119.20 is: 168,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,132.12 : 408,247.54 = 112,119.20 : x
  2. Step 2: Convert to fraction form
    272,132.12/408,247.54 = 112,119.20/x
  3. Step 3: Cross multiply
    272,132.12x = 408,247.54 × 112,119.20
  4. Step 4: Simplify right side
    272,132.12x = 45,772,386,796.16
  5. Step 5: Solve for x
    x = 45,772,386,796.16/272,132.12
  6. Step 6: Final answer
    x = 168,199.13

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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.