Home / 140,918.40-194,364.36-89,966.16

Finding the Fourth Proportional to 140,918.40, 194,364.36 and 89,966.16

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Solution

The fourth proportional to 140,918.40, 194,364.36 and 89,966.16 is: 124,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.40 : 194,364.36 = 89,966.16 : x
  2. Step 2: Convert to fraction form
    140,918.40/194,364.36 = 89,966.16/x
  3. Step 3: Cross multiply
    140,918.40x = 194,364.36 × 89,966.16
  4. Step 4: Simplify right side
    140,918.40x = 17,486,215,110.06
  5. Step 5: Solve for x
    x = 17,486,215,110.06/140,918.40
  6. Step 6: Final answer
    x = 124,087.52

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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.