Home / 126,856.26-174,779.73-83,758.95

Finding the Fourth Proportional to 126,856.26, 174,779.73 and 83,758.95

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Solution

The fourth proportional to 126,856.26, 174,779.73 and 83,758.95 is: 115,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,856.26 : 174,779.73 = 83,758.95 : x
  2. Step 2: Convert to fraction form
    126,856.26/174,779.73 = 83,758.95/x
  3. Step 3: Cross multiply
    126,856.26x = 174,779.73 × 83,758.95
  4. Step 4: Simplify right side
    126,856.26x = 14,639,366,666.08
  5. Step 5: Solve for x
    x = 14,639,366,666.08/126,856.26
  6. Step 6: Final answer
    x = 115,401.22

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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.