Home / 121,316.66-181,972.83-51,196.58

Finding the Fourth Proportional to 121,316.66, 181,972.83 and 51,196.58

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Solution

The fourth proportional to 121,316.66, 181,972.83 and 51,196.58 is: 76,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,316.66 : 181,972.83 = 51,196.58 : x
  2. Step 2: Convert to fraction form
    121,316.66/181,972.83 = 51,196.58/x
  3. Step 3: Cross multiply
    121,316.66x = 181,972.83 × 51,196.58
  4. Step 4: Simplify right side
    121,316.66x = 9,316,386,548.92
  5. Step 5: Solve for x
    x = 9,316,386,548.92/121,316.66
  6. Step 6: Final answer
    x = 76,793.96

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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.