Home / 91,201.38-125,862.95-50,915.47

Finding the Fourth Proportional to 91,201.38, 125,862.95 and 50,915.47

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Solution

The fourth proportional to 91,201.38, 125,862.95 and 50,915.47 is: 70,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,201.38 : 125,862.95 = 50,915.47 : x
  2. Step 2: Convert to fraction form
    91,201.38/125,862.95 = 50,915.47/x
  3. Step 3: Cross multiply
    91,201.38x = 125,862.95 × 50,915.47
  4. Step 4: Simplify right side
    91,201.38x = 6,408,370,370.94
  5. Step 5: Solve for x
    x = 6,408,370,370.94/91,201.38
  6. Step 6: Final answer
    x = 70,266.16

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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.