Home / 126,733.26-174,888.43-72,284.20

Finding the Fourth Proportional to 126,733.26, 174,888.43 and 72,284.20

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Solution

The fourth proportional to 126,733.26, 174,888.43 and 72,284.20 is: 99,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,733.26 : 174,888.43 = 72,284.20 : x
  2. Step 2: Convert to fraction form
    126,733.26/174,888.43 = 72,284.20/x
  3. Step 3: Cross multiply
    126,733.26x = 174,888.43 × 72,284.20
  4. Step 4: Simplify right side
    126,733.26x = 12,641,669,633.87
  5. Step 5: Solve for x
    x = 12,641,669,633.87/126,733.26
  6. Step 6: Final answer
    x = 99,750.21

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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.