Home / 122,166.89-168,588.18-68,451.74

Finding the Fourth Proportional to 122,166.89, 168,588.18 and 68,451.74

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Solution

The fourth proportional to 122,166.89, 168,588.18 and 68,451.74 is: 94,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166.89 : 168,588.18 = 68,451.74 : x
  2. Step 2: Convert to fraction form
    122,166.89/168,588.18 = 68,451.74/x
  3. Step 3: Cross multiply
    122,166.89x = 168,588.18 × 68,451.74
  4. Step 4: Simplify right side
    122,166.89x = 11,540,154,264.43
  5. Step 5: Solve for x
    x = 11,540,154,264.43/122,166.89
  6. Step 6: Final answer
    x = 94,462.21

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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.