Home / 126,316.80-174,329.10-72,633.24

Finding the Fourth Proportional to 126,316.80, 174,329.10 and 72,633.24

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Solution

The fourth proportional to 126,316.80, 174,329.10 and 72,633.24 is: 100,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.80 : 174,329.10 = 72,633.24 : x
  2. Step 2: Convert to fraction form
    126,316.80/174,329.10 = 72,633.24/x
  3. Step 3: Cross multiply
    126,316.80x = 174,329.10 × 72,633.24
  4. Step 4: Simplify right side
    126,316.80x = 12,662,087,359.28
  5. Step 5: Solve for x
    x = 12,662,087,359.28/126,316.80
  6. Step 6: Final answer
    x = 100,240.72

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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.