Home / 124,215.40-186,323.10-71,727.40

Finding the Fourth Proportional to 124,215.40, 186,323.10 and 71,727.40

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Solution

The fourth proportional to 124,215.40, 186,323.10 and 71,727.40 is: 107,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,215.40 : 186,323.10 = 71,727.40 : x
  2. Step 2: Convert to fraction form
    124,215.40/186,323.10 = 71,727.40/x
  3. Step 3: Cross multiply
    124,215.40x = 186,323.10 × 71,727.40
  4. Step 4: Simplify right side
    124,215.40x = 13,364,471,522.94
  5. Step 5: Solve for x
    x = 13,364,471,522.94/124,215.40
  6. Step 6: Final answer
    x = 107,591.10

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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.