Home / 124,278.40-186,403.20-35,545.60

Finding the Fourth Proportional to 124,278.40, 186,403.20 and 35,545.60

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Solution

The fourth proportional to 124,278.40, 186,403.20 and 35,545.60 is: 53,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.40 : 186,403.20 = 35,545.60 : x
  2. Step 2: Convert to fraction form
    124,278.40/186,403.20 = 35,545.60/x
  3. Step 3: Cross multiply
    124,278.40x = 186,403.20 × 35,545.60
  4. Step 4: Simplify right side
    124,278.40x = 6,625,813,585.92
  5. Step 5: Solve for x
    x = 6,625,813,585.92/124,278.40
  6. Step 6: Final answer
    x = 53,314.28

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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.