Home / 136,318.19-204,311.50-72,982.67

Finding the Fourth Proportional to 136,318.19, 204,311.50 and 72,982.67

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Solution

The fourth proportional to 136,318.19, 204,311.50 and 72,982.67 is: 109,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,318.19 : 204,311.50 = 72,982.67 : x
  2. Step 2: Convert to fraction form
    136,318.19/204,311.50 = 72,982.67/x
  3. Step 3: Cross multiply
    136,318.19x = 204,311.50 × 72,982.67
  4. Step 4: Simplify right side
    136,318.19x = 14,911,198,781.71
  5. Step 5: Solve for x
    x = 14,911,198,781.71/136,318.19
  6. Step 6: Final answer
    x = 109,385.25

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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.