Home / 142,936.60-214,335.76-83,791.48

Finding the Fourth Proportional to 142,936.60, 214,335.76 and 83,791.48

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Solution

The fourth proportional to 142,936.60, 214,335.76 and 83,791.48 is: 125,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,936.60 : 214,335.76 = 83,791.48 : x
  2. Step 2: Convert to fraction form
    142,936.60/214,335.76 = 83,791.48/x
  3. Step 3: Cross multiply
    142,936.60x = 214,335.76 × 83,791.48
  4. Step 4: Simplify right side
    142,936.60x = 17,959,510,547.32
  5. Step 5: Solve for x
    x = 17,959,510,547.32/142,936.60
  6. Step 6: Final answer
    x = 125,646.69

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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.