Home / 121,479.18-167,641.52-67,762.82

Finding the Fourth Proportional to 121,479.18, 167,641.52 and 67,762.82

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Solution

The fourth proportional to 121,479.18, 167,641.52 and 67,762.82 is: 93,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,479.18 : 167,641.52 = 67,762.82 : x
  2. Step 2: Convert to fraction form
    121,479.18/167,641.52 = 67,762.82/x
  3. Step 3: Cross multiply
    121,479.18x = 167,641.52 × 67,762.82
  4. Step 4: Simplify right side
    121,479.18x = 11,359,860,967.26
  5. Step 5: Solve for x
    x = 11,359,860,967.26/121,479.18
  6. Step 6: Final answer
    x = 93,512.82

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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.