Home / 162,473.20-243,829.50-77,084.36

Finding the Fourth Proportional to 162,473.20, 243,829.50 and 77,084.36

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Solution

The fourth proportional to 162,473.20, 243,829.50 and 77,084.36 is: 115,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,473.20 : 243,829.50 = 77,084.36 : x
  2. Step 2: Convert to fraction form
    162,473.20/243,829.50 = 77,084.36/x
  3. Step 3: Cross multiply
    162,473.20x = 243,829.50 × 77,084.36
  4. Step 4: Simplify right side
    162,473.20x = 18,795,440,956.62
  5. Step 5: Solve for x
    x = 18,795,440,956.62/162,473.20
  6. Step 6: Final answer
    x = 115,683.33

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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.