Home / 122,718.22-169,435.02-93,987.12

Finding the Fourth Proportional to 122,718.22, 169,435.02 and 93,987.12

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Solution

The fourth proportional to 122,718.22, 169,435.02 and 93,987.12 is: 129,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.22 : 169,435.02 = 93,987.12 : x
  2. Step 2: Convert to fraction form
    122,718.22/169,435.02 = 93,987.12/x
  3. Step 3: Cross multiply
    122,718.22x = 169,435.02 × 93,987.12
  4. Step 4: Simplify right side
    122,718.22x = 15,924,709,556.94
  5. Step 5: Solve for x
    x = 15,924,709,556.94/122,718.22
  6. Step 6: Final answer
    x = 129,766.46

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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.