Home / 144,869.40-217,304.10-136,704.60

Finding the Fourth Proportional to 144,869.40, 217,304.10 and 136,704.60

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Solution

The fourth proportional to 144,869.40, 217,304.10 and 136,704.60 is: 205,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.40 : 217,304.10 = 136,704.60 : x
  2. Step 2: Convert to fraction form
    144,869.40/217,304.10 = 136,704.60/x
  3. Step 3: Cross multiply
    144,869.40x = 217,304.10 × 136,704.60
  4. Step 4: Simplify right side
    144,869.40x = 29,706,470,068.86
  5. Step 5: Solve for x
    x = 29,706,470,068.86/144,869.40
  6. Step 6: Final answer
    x = 205,056.90

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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.