Home / 154,810.20-232,215.30-49,639.80

Finding the Fourth Proportional to 154,810.20, 232,215.30 and 49,639.80

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Solution

The fourth proportional to 154,810.20, 232,215.30 and 49,639.80 is: 74,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,810.20 : 232,215.30 = 49,639.80 : x
  2. Step 2: Convert to fraction form
    154,810.20/232,215.30 = 49,639.80/x
  3. Step 3: Cross multiply
    154,810.20x = 232,215.30 × 49,639.80
  4. Step 4: Simplify right side
    154,810.20x = 11,527,121,048.94
  5. Step 5: Solve for x
    x = 11,527,121,048.94/154,810.20
  6. Step 6: Final answer
    x = 74,459.70

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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.