Home / 121,265.47-181,853.82-46,348.57

Finding the Fourth Proportional to 121,265.47, 181,853.82 and 46,348.57

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Solution

The fourth proportional to 121,265.47, 181,853.82 and 46,348.57 is: 69,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265.47 : 181,853.82 = 46,348.57 : x
  2. Step 2: Convert to fraction form
    121,265.47/181,853.82 = 46,348.57/x
  3. Step 3: Cross multiply
    121,265.47x = 181,853.82 × 46,348.57
  4. Step 4: Simplify right side
    121,265.47x = 8,428,664,506.04
  5. Step 5: Solve for x
    x = 8,428,664,506.04/121,265.47
  6. Step 6: Final answer
    x = 69,505.89

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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.