Home / 126,846.10-175,050.42-72,397.19

Finding the Fourth Proportional to 126,846.10, 175,050.42 and 72,397.19

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Solution

The fourth proportional to 126,846.10, 175,050.42 and 72,397.19 is: 99,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846.10 : 175,050.42 = 72,397.19 : x
  2. Step 2: Convert to fraction form
    126,846.10/175,050.42 = 72,397.19/x
  3. Step 3: Cross multiply
    126,846.10x = 175,050.42 × 72,397.19
  4. Step 4: Simplify right side
    126,846.10x = 12,673,158,682.46
  5. Step 5: Solve for x
    x = 12,673,158,682.46/126,846.10
  6. Step 6: Final answer
    x = 99,909.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.