Home / 154,981.60-232,472.40-49,808.80

Finding the Fourth Proportional to 154,981.60, 232,472.40 and 49,808.80

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Solution

The fourth proportional to 154,981.60, 232,472.40 and 49,808.80 is: 74,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,981.60 : 232,472.40 = 49,808.80 : x
  2. Step 2: Convert to fraction form
    154,981.60/232,472.40 = 49,808.80/x
  3. Step 3: Cross multiply
    154,981.60x = 232,472.40 × 49,808.80
  4. Step 4: Simplify right side
    154,981.60x = 11,579,171,277.12
  5. Step 5: Solve for x
    x = 11,579,171,277.12/154,981.60
  6. Step 6: Final answer
    x = 74,713.20

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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.