Home / 142,167.59-195,957.36-100,788.33

Finding the Fourth Proportional to 142,167.59, 195,957.36 and 100,788.33

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Solution

The fourth proportional to 142,167.59, 195,957.36 and 100,788.33 is: 138,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,167.59 : 195,957.36 = 100,788.33 : x
  2. Step 2: Convert to fraction form
    142,167.59/195,957.36 = 100,788.33/x
  3. Step 3: Cross multiply
    142,167.59x = 195,957.36 × 100,788.33
  4. Step 4: Simplify right side
    142,167.59x = 19,750,215,065.61
  5. Step 5: Solve for x
    x = 19,750,215,065.61/142,167.59
  6. Step 6: Final answer
    x = 138,922.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.