Home / 162,938.20-244,407.30-140,387.80

Finding the Fourth Proportional to 162,938.20, 244,407.30 and 140,387.80

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Solution

The fourth proportional to 162,938.20, 244,407.30 and 140,387.80 is: 210,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,938.20 : 244,407.30 = 140,387.80 : x
  2. Step 2: Convert to fraction form
    162,938.20/244,407.30 = 140,387.80/x
  3. Step 3: Cross multiply
    162,938.20x = 244,407.30 × 140,387.80
  4. Step 4: Simplify right side
    162,938.20x = 34,311,803,150.94
  5. Step 5: Solve for x
    x = 34,311,803,150.94/162,938.20
  6. Step 6: Final answer
    x = 210,581.70

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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.