Home / 154,981.80-232,472.70-49,811.40

Finding the Fourth Proportional to 154,981.80, 232,472.70 and 49,811.40

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Solution

The fourth proportional to 154,981.80, 232,472.70 and 49,811.40 is: 74,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,981.80 : 232,472.70 = 49,811.40 : x
  2. Step 2: Convert to fraction form
    154,981.80/232,472.70 = 49,811.40/x
  3. Step 3: Cross multiply
    154,981.80x = 232,472.70 × 49,811.40
  4. Step 4: Simplify right side
    154,981.80x = 11,579,790,648.78
  5. Step 5: Solve for x
    x = 11,579,790,648.78/154,981.80
  6. Step 6: Final answer
    x = 74,717.10

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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.