Home / 122,914.66-169,668.12-71,943.52

Finding the Fourth Proportional to 122,914.66, 169,668.12 and 71,943.52

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Solution

The fourth proportional to 122,914.66, 169,668.12 and 71,943.52 is: 99,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,914.66 : 169,668.12 = 71,943.52 : x
  2. Step 2: Convert to fraction form
    122,914.66/169,668.12 = 71,943.52/x
  3. Step 3: Cross multiply
    122,914.66x = 169,668.12 × 71,943.52
  4. Step 4: Simplify right side
    122,914.66x = 12,206,521,784.58
  5. Step 5: Solve for x
    x = 12,206,521,784.58/122,914.66
  6. Step 6: Final answer
    x = 99,308.92

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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.