Home / 110,445.28-152,394.24-65,137.44

Finding the Fourth Proportional to 110,445.28, 152,394.24 and 65,137.44

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Solution

The fourth proportional to 110,445.28, 152,394.24 and 65,137.44 is: 89,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,445.28 : 152,394.24 = 65,137.44 : x
  2. Step 2: Convert to fraction form
    110,445.28/152,394.24 = 65,137.44/x
  3. Step 3: Cross multiply
    110,445.28x = 152,394.24 × 65,137.44
  4. Step 4: Simplify right side
    110,445.28x = 9,926,570,664.35
  5. Step 5: Solve for x
    x = 9,926,570,664.35/110,445.28
  6. Step 6: Final answer
    x = 89,877.73

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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.