Home / 113,727.07-170,310.27-71,502.40

Finding the Fourth Proportional to 113,727.07, 170,310.27 and 71,502.40

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Solution

The fourth proportional to 113,727.07, 170,310.27 and 71,502.40 is: 107,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,727.07 : 170,310.27 = 71,502.40 : x
  2. Step 2: Convert to fraction form
    113,727.07/170,310.27 = 71,502.40/x
  3. Step 3: Cross multiply
    113,727.07x = 170,310.27 × 71,502.40
  4. Step 4: Simplify right side
    113,727.07x = 12,177,593,049.65
  5. Step 5: Solve for x
    x = 12,177,593,049.65/113,727.07
  6. Step 6: Final answer
    x = 107,077.35

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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.