Home / 121,616.42-182,300.60-68,914.58

Finding the Fourth Proportional to 121,616.42, 182,300.60 and 68,914.58

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Solution

The fourth proportional to 121,616.42, 182,300.60 and 68,914.58 is: 103,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,616.42 : 182,300.60 = 68,914.58 : x
  2. Step 2: Convert to fraction form
    121,616.42/182,300.60 = 68,914.58/x
  3. Step 3: Cross multiply
    121,616.42x = 182,300.60 × 68,914.58
  4. Step 4: Simplify right side
    121,616.42x = 12,563,168,543.53
  5. Step 5: Solve for x
    x = 12,563,168,543.53/121,616.42
  6. Step 6: Final answer
    x = 103,301.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.