Home / 130,446.09-195,706.50-63,905.71

Finding the Fourth Proportional to 130,446.09, 195,706.50 and 63,905.71

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Solution

The fourth proportional to 130,446.09, 195,706.50 and 63,905.71 is: 95,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,446.09 : 195,706.50 = 63,905.71 : x
  2. Step 2: Convert to fraction form
    130,446.09/195,706.50 = 63,905.71/x
  3. Step 3: Cross multiply
    130,446.09x = 195,706.50 × 63,905.71
  4. Step 4: Simplify right side
    130,446.09x = 12,506,762,344.85
  5. Step 5: Solve for x
    x = 12,506,762,344.85/130,446.09
  6. Step 6: Final answer
    x = 95,876.86

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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.