Home / 141,309.11-194,957.50-90,351.68

Finding the Fourth Proportional to 141,309.11, 194,957.50 and 90,351.68

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Solution

The fourth proportional to 141,309.11, 194,957.50 and 90,351.68 is: 124,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,309.11 : 194,957.50 = 90,351.68 : x
  2. Step 2: Convert to fraction form
    141,309.11/194,957.50 = 90,351.68/x
  3. Step 3: Cross multiply
    141,309.11x = 194,957.50 × 90,351.68
  4. Step 4: Simplify right side
    141,309.11x = 17,614,736,622.34
  5. Step 5: Solve for x
    x = 17,614,736,622.34/141,309.11
  6. Step 6: Final answer
    x = 124,653.93

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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.