Home / 121,287.10-181,930.65-62,238.10

Finding the Fourth Proportional to 121,287.10, 181,930.65 and 62,238.10

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Solution

The fourth proportional to 121,287.10, 181,930.65 and 62,238.10 is: 93,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,287.10 : 181,930.65 = 62,238.10 : x
  2. Step 2: Convert to fraction form
    121,287.10/181,930.65 = 62,238.10/x
  3. Step 3: Cross multiply
    121,287.10x = 181,930.65 × 62,238.10
  4. Step 4: Simplify right side
    121,287.10x = 11,323,017,987.77
  5. Step 5: Solve for x
    x = 11,323,017,987.77/121,287.10
  6. Step 6: Final answer
    x = 93,357.15

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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.