Home / 121,290.30-181,664.82-93,002.13

Finding the Fourth Proportional to 121,290.30, 181,664.82 and 93,002.13

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Solution

The fourth proportional to 121,290.30, 181,664.82 and 93,002.13 is: 139,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,290.30 : 181,664.82 = 93,002.13 : x
  2. Step 2: Convert to fraction form
    121,290.30/181,664.82 = 93,002.13/x
  3. Step 3: Cross multiply
    121,290.30x = 181,664.82 × 93,002.13
  4. Step 4: Simplify right side
    121,290.30x = 16,895,215,206.07
  5. Step 5: Solve for x
    x = 16,895,215,206.07/121,290.30
  6. Step 6: Final answer
    x = 139,295.68

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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.