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Finding the Fourth Proportional to 162,545.80, 243,818.70 and 134,897.80

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Solution

The fourth proportional to 162,545.80, 243,818.70 and 134,897.80 is: 202,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,545.80 : 243,818.70 = 134,897.80 : x
  2. Step 2: Convert to fraction form
    162,545.80/243,818.70 = 134,897.80/x
  3. Step 3: Cross multiply
    162,545.80x = 243,818.70 × 134,897.80
  4. Step 4: Simplify right side
    162,545.80x = 32,890,606,228.86
  5. Step 5: Solve for x
    x = 32,890,606,228.86/162,545.80
  6. Step 6: Final answer
    x = 202,346.70

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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.