Home / 121,430.52-167,574.85-67,718.94

Finding the Fourth Proportional to 121,430.52, 167,574.85 and 67,718.94

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Solution

The fourth proportional to 121,430.52, 167,574.85 and 67,718.94 is: 93,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,430.52 : 167,574.85 = 67,718.94 : x
  2. Step 2: Convert to fraction form
    121,430.52/167,574.85 = 67,718.94/x
  3. Step 3: Cross multiply
    121,430.52x = 167,574.85 × 67,718.94
  4. Step 4: Simplify right side
    121,430.52x = 11,347,990,414.96
  5. Step 5: Solve for x
    x = 11,347,990,414.96/121,430.52
  6. Step 6: Final answer
    x = 93,452.54

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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.