Home / 91,915.97-137,913.21-44,566.07

Finding the Fourth Proportional to 91,915.97, 137,913.21 and 44,566.07

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Solution

The fourth proportional to 91,915.97, 137,913.21 and 44,566.07 is: 66,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,915.97 : 137,913.21 = 44,566.07 : x
  2. Step 2: Convert to fraction form
    91,915.97/137,913.21 = 44,566.07/x
  3. Step 3: Cross multiply
    91,915.97x = 137,913.21 × 44,566.07
  4. Step 4: Simplify right side
    91,915.97x = 6,146,249,081.22
  5. Step 5: Solve for x
    x = 6,146,249,081.22/91,915.97
  6. Step 6: Final answer
    x = 66,868.13

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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.