Home / 121,162.47-181,772.87-51,061.83

Finding the Fourth Proportional to 121,162.47, 181,772.87 and 51,061.83

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Solution

The fourth proportional to 121,162.47, 181,772.87 and 51,061.83 is: 76,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.47 : 181,772.87 = 51,061.83 : x
  2. Step 2: Convert to fraction form
    121,162.47/181,772.87 = 51,061.83/x
  3. Step 3: Cross multiply
    121,162.47x = 181,772.87 × 51,061.83
  4. Step 4: Simplify right side
    121,162.47x = 9,281,655,386.55
  5. Step 5: Solve for x
    x = 9,281,655,386.55/121,162.47
  6. Step 6: Final answer
    x = 76,605.04

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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.