Home / 122,278.32-168,741.90-68,563.17

Finding the Fourth Proportional to 122,278.32, 168,741.90 and 68,563.17

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Solution

The fourth proportional to 122,278.32, 168,741.90 and 68,563.17 is: 94,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,278.32 : 168,741.90 = 68,563.17 : x
  2. Step 2: Convert to fraction form
    122,278.32/168,741.90 = 68,563.17/x
  3. Step 3: Cross multiply
    122,278.32x = 168,741.90 × 68,563.17
  4. Step 4: Simplify right side
    122,278.32x = 11,569,479,575.82
  5. Step 5: Solve for x
    x = 11,569,479,575.82/122,278.32
  6. Step 6: Final answer
    x = 94,615.95

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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.