Home / 225,084.15-310,604.50-123,089.76

Finding the Fourth Proportional to 225,084.15, 310,604.50 and 123,089.76

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Solution

The fourth proportional to 225,084.15, 310,604.50 and 123,089.76 is: 169,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,084.15 : 310,604.50 = 123,089.76 : x
  2. Step 2: Convert to fraction form
    225,084.15/310,604.50 = 123,089.76/x
  3. Step 3: Cross multiply
    225,084.15x = 310,604.50 × 123,089.76
  4. Step 4: Simplify right side
    225,084.15x = 38,232,233,359.92
  5. Step 5: Solve for x
    x = 38,232,233,359.92/225,084.15
  6. Step 6: Final answer
    x = 169,857.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.