Home / 124,293.20-186,439.80-54,309.20

Finding the Fourth Proportional to 124,293.20, 186,439.80 and 54,309.20

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Solution

The fourth proportional to 124,293.20, 186,439.80 and 54,309.20 is: 81,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,293.20 : 186,439.80 = 54,309.20 : x
  2. Step 2: Convert to fraction form
    124,293.20/186,439.80 = 54,309.20/x
  3. Step 3: Cross multiply
    124,293.20x = 186,439.80 × 54,309.20
  4. Step 4: Simplify right side
    124,293.20x = 10,125,396,386.16
  5. Step 5: Solve for x
    x = 10,125,396,386.16/124,293.20
  6. Step 6: Final answer
    x = 81,463.80

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1.5x scale

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.