Home / 121,176.04-181,751.10-42,291.80

Finding the Fourth Proportional to 121,176.04, 181,751.10 and 42,291.80

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Solution

The fourth proportional to 121,176.04, 181,751.10 and 42,291.80 is: 63,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,176.04 : 181,751.10 = 42,291.80 : x
  2. Step 2: Convert to fraction form
    121,176.04/181,751.10 = 42,291.80/x
  3. Step 3: Cross multiply
    121,176.04x = 181,751.10 × 42,291.80
  4. Step 4: Simplify right side
    121,176.04x = 7,686,581,170.98
  5. Step 5: Solve for x
    x = 7,686,581,170.98/121,176.04
  6. Step 6: Final answer
    x = 63,433.18

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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.