Home / 121,147.19-167,180.51-70,162.15

Finding the Fourth Proportional to 121,147.19, 167,180.51 and 70,162.15

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Solution

The fourth proportional to 121,147.19, 167,180.51 and 70,162.15 is: 96,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.19 : 167,180.51 = 70,162.15 : x
  2. Step 2: Convert to fraction form
    121,147.19/167,180.51 = 70,162.15/x
  3. Step 3: Cross multiply
    121,147.19x = 167,180.51 × 70,162.15
  4. Step 4: Simplify right side
    121,147.19x = 11,729,743,695.95
  5. Step 5: Solve for x
    x = 11,729,743,695.95/121,147.19
  6. Step 6: Final answer
    x = 96,822.25

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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.