Home / 162,255.30-243,132.09-126,632.16

Finding the Fourth Proportional to 162,255.30, 243,132.09 and 126,632.16

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Solution

The fourth proportional to 162,255.30, 243,132.09 and 126,632.16 is: 189,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,255.30 : 243,132.09 = 126,632.16 : x
  2. Step 2: Convert to fraction form
    162,255.30/243,132.09 = 126,632.16/x
  3. Step 3: Cross multiply
    162,255.30x = 243,132.09 × 126,632.16
  4. Step 4: Simplify right side
    162,255.30x = 30,788,341,722.01
  5. Step 5: Solve for x
    x = 30,788,341,722.01/162,255.30
  6. Step 6: Final answer
    x = 189,752.46

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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.