Home / 126,287.80-174,307.08-72,604.01

Finding the Fourth Proportional to 126,287.80, 174,307.08 and 72,604.01

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Solution

The fourth proportional to 126,287.80, 174,307.08 and 72,604.01 is: 100,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.80 : 174,307.08 = 72,604.01 : x
  2. Step 2: Convert to fraction form
    126,287.80/174,307.08 = 72,604.01/x
  3. Step 3: Cross multiply
    126,287.80x = 174,307.08 × 72,604.01
  4. Step 4: Simplify right side
    126,287.80x = 12,655,392,107.86
  5. Step 5: Solve for x
    x = 12,655,392,107.86/126,287.80
  6. Step 6: Final answer
    x = 100,210.73

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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.