Home / 154,930.20-232,395.30-144,432.60

Finding the Fourth Proportional to 154,930.20, 232,395.30 and 144,432.60

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Solution

The fourth proportional to 154,930.20, 232,395.30 and 144,432.60 is: 216,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,930.20 : 232,395.30 = 144,432.60 : x
  2. Step 2: Convert to fraction form
    154,930.20/232,395.30 = 144,432.60/x
  3. Step 3: Cross multiply
    154,930.20x = 232,395.30 × 144,432.60
  4. Step 4: Simplify right side
    154,930.20x = 33,565,457,406.78
  5. Step 5: Solve for x
    x = 33,565,457,406.78/154,930.20
  6. Step 6: Final answer
    x = 216,648.90

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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.