Home / 154,979.80-232,502.10-49,809.40

Finding the Fourth Proportional to 154,979.80, 232,502.10 and 49,809.40

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Solution

The fourth proportional to 154,979.80, 232,502.10 and 49,809.40 is: 74,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,979.80 : 232,502.10 = 49,809.40 : x
  2. Step 2: Convert to fraction form
    154,979.80/232,502.10 = 49,809.40/x
  3. Step 3: Cross multiply
    154,979.80x = 232,502.10 × 49,809.40
  4. Step 4: Simplify right side
    154,979.80x = 11,580,790,099.74
  5. Step 5: Solve for x
    x = 11,580,790,099.74/154,979.80
  6. Step 6: Final answer
    x = 74,724.51

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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.