Home / 153,781.28-230,561.19-94,494.45

Finding the Fourth Proportional to 153,781.28, 230,561.19 and 94,494.45

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Solution

The fourth proportional to 153,781.28, 230,561.19 and 94,494.45 is: 141,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,781.28 : 230,561.19 = 94,494.45 : x
  2. Step 2: Convert to fraction form
    153,781.28/230,561.19 = 94,494.45/x
  3. Step 3: Cross multiply
    153,781.28x = 230,561.19 × 94,494.45
  4. Step 4: Simplify right side
    153,781.28x = 21,786,752,840.40
  5. Step 5: Solve for x
    x = 21,786,752,840.40/153,781.28
  6. Step 6: Final answer
    x = 141,673.64

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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.