Home / 124,574.45-186,920-54,444.65

Finding the Fourth Proportional to 124,574.45, 186,920 and 54,444.65

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Solution

The fourth proportional to 124,574.45, 186,920 and 54,444.65 is: 81,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574.45 : 186,920 = 54,444.65 : x
  2. Step 2: Convert to fraction form
    124,574.45/186,920 = 54,444.65/x
  3. Step 3: Cross multiply
    124,574.45x = 186,920 × 54,444.65
  4. Step 4: Simplify right side
    124,574.45x = 10,176,793,978
  5. Step 5: Solve for x
    x = 10,176,793,978/124,574.45
  6. Step 6: Final answer
    x = 81,692.47

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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.