Home / 124,312.80-186,469.20-30,818.55

Finding the Fourth Proportional to 124,312.80, 186,469.20 and 30,818.55

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Solution

The fourth proportional to 124,312.80, 186,469.20 and 30,818.55 is: 46,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312.80 : 186,469.20 = 30,818.55 : x
  2. Step 2: Convert to fraction form
    124,312.80/186,469.20 = 30,818.55/x
  3. Step 3: Cross multiply
    124,312.80x = 186,469.20 × 30,818.55
  4. Step 4: Simplify right side
    124,312.80x = 5,746,710,363.66
  5. Step 5: Solve for x
    x = 5,746,710,363.66/124,312.80
  6. Step 6: Final answer
    x = 46,227.83

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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.