Home / 88,954.74-133,432.38-72,235.44

Finding the Fourth Proportional to 88,954.74, 133,432.38 and 72,235.44

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Solution

The fourth proportional to 88,954.74, 133,432.38 and 72,235.44 is: 108,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,954.74 : 133,432.38 = 72,235.44 : x
  2. Step 2: Convert to fraction form
    88,954.74/133,432.38 = 72,235.44/x
  3. Step 3: Cross multiply
    88,954.74x = 133,432.38 × 72,235.44
  4. Step 4: Simplify right side
    88,954.74x = 9,638,546,679.55
  5. Step 5: Solve for x
    x = 9,638,546,679.55/88,954.74
  6. Step 6: Final answer
    x = 108,353.38

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1.5x scale

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.