Home / 89,707.20-134,503.20-37,137.60

Finding the Fourth Proportional to 89,707.20, 134,503.20 and 37,137.60

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Solution

The fourth proportional to 89,707.20, 134,503.20 and 37,137.60 is: 55,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.20 : 134,503.20 = 37,137.60 : x
  2. Step 2: Convert to fraction form
    89,707.20/134,503.20 = 37,137.60/x
  3. Step 3: Cross multiply
    89,707.20x = 134,503.20 × 37,137.60
  4. Step 4: Simplify right side
    89,707.20x = 4,995,126,040.32
  5. Step 5: Solve for x
    x = 4,995,126,040.32/89,707.20
  6. Step 6: Final answer
    x = 55,682.55

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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.