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Finding the Fourth Proportional to 162,077.40, 243,116.10 and 43,760.70

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Solution

The fourth proportional to 162,077.40, 243,116.10 and 43,760.70 is: 65,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,077.40 : 243,116.10 = 43,760.70 : x
  2. Step 2: Convert to fraction form
    162,077.40/243,116.10 = 43,760.70/x
  3. Step 3: Cross multiply
    162,077.40x = 243,116.10 × 43,760.70
  4. Step 4: Simplify right side
    162,077.40x = 10,638,930,717.27
  5. Step 5: Solve for x
    x = 10,638,930,717.27/162,077.40
  6. Step 6: Final answer
    x = 65,641.05

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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.