Home / 141,948.76-195,839.82-90,989.58

Finding the Fourth Proportional to 141,948.76, 195,839.82 and 90,989.58

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Solution

The fourth proportional to 141,948.76, 195,839.82 and 90,989.58 is: 125,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.76 : 195,839.82 = 90,989.58 : x
  2. Step 2: Convert to fraction form
    141,948.76/195,839.82 = 90,989.58/x
  3. Step 3: Cross multiply
    141,948.76x = 195,839.82 × 90,989.58
  4. Step 4: Simplify right side
    141,948.76x = 17,819,382,969.08
  5. Step 5: Solve for x
    x = 17,819,382,969.08/141,948.76
  6. Step 6: Final answer
    x = 125,533.91

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1.5x scale

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.