Home / 162,756.59-243,902.25-91,529.73

Finding the Fourth Proportional to 162,756.59, 243,902.25 and 91,529.73

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Solution

The fourth proportional to 162,756.59, 243,902.25 and 91,529.73 is: 137,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,756.59 : 243,902.25 = 91,529.73 : x
  2. Step 2: Convert to fraction form
    162,756.59/243,902.25 = 91,529.73/x
  3. Step 3: Cross multiply
    162,756.59x = 243,902.25 × 91,529.73
  4. Step 4: Simplify right side
    162,756.59x = 22,324,307,088.89
  5. Step 5: Solve for x
    x = 22,324,307,088.89/162,756.59
  6. Step 6: Final answer
    x = 137,163.77

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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.