Home / 88,185.42-121,612.95-68,010.35

Finding the Fourth Proportional to 88,185.42, 121,612.95 and 68,010.35

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Solution

The fourth proportional to 88,185.42, 121,612.95 and 68,010.35 is: 93,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.42 : 121,612.95 = 68,010.35 : x
  2. Step 2: Convert to fraction form
    88,185.42/121,612.95 = 68,010.35/x
  3. Step 3: Cross multiply
    88,185.42x = 121,612.95 × 68,010.35
  4. Step 4: Simplify right side
    88,185.42x = 8,270,938,685.97
  5. Step 5: Solve for x
    x = 8,270,938,685.97/88,185.42
  6. Step 6: Final answer
    x = 93,790.32

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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.