Home / 121,176.80-181,752.26-42,292.52

Finding the Fourth Proportional to 121,176.80, 181,752.26 and 42,292.52

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Solution

The fourth proportional to 121,176.80, 181,752.26 and 42,292.52 is: 63,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,176.80 : 181,752.26 = 42,292.52 : x
  2. Step 2: Convert to fraction form
    121,176.80/181,752.26 = 42,292.52/x
  3. Step 3: Cross multiply
    121,176.80x = 181,752.26 × 42,292.52
  4. Step 4: Simplify right side
    121,176.80x = 7,686,761,091.10
  5. Step 5: Solve for x
    x = 7,686,761,091.10/121,176.80
  6. Step 6: Final answer
    x = 63,434.26

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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.