Home / 121,516.90-167,625.93-71,206.18

Finding the Fourth Proportional to 121,516.90, 167,625.93 and 71,206.18

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Solution

The fourth proportional to 121,516.90, 167,625.93 and 71,206.18 is: 98,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,516.90 : 167,625.93 = 71,206.18 : x
  2. Step 2: Convert to fraction form
    121,516.90/167,625.93 = 71,206.18/x
  3. Step 3: Cross multiply
    121,516.90x = 167,625.93 × 71,206.18
  4. Step 4: Simplify right side
    121,516.90x = 11,936,002,144.25
  5. Step 5: Solve for x
    x = 11,936,002,144.25/121,516.90
  6. Step 6: Final answer
    x = 98,225.04

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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.