Home / 162,077.90-243,116.85-43,761.20

Finding the Fourth Proportional to 162,077.90, 243,116.85 and 43,761.20

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Solution

The fourth proportional to 162,077.90, 243,116.85 and 43,761.20 is: 65,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,077.90 : 243,116.85 = 43,761.20 : x
  2. Step 2: Convert to fraction form
    162,077.90/243,116.85 = 43,761.20/x
  3. Step 3: Cross multiply
    162,077.90x = 243,116.85 × 43,761.20
  4. Step 4: Simplify right side
    162,077.90x = 10,639,085,096.22
  5. Step 5: Solve for x
    x = 10,639,085,096.22/162,077.90
  6. Step 6: Final answer
    x = 65,641.80

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1.5x scale

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.