Home / 102,091.20-152,829.60-89,803.20

Finding the Fourth Proportional to 102,091.20, 152,829.60 and 89,803.20

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Solution

The fourth proportional to 102,091.20, 152,829.60 and 89,803.20 is: 134,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,091.20 : 152,829.60 = 89,803.20 : x
  2. Step 2: Convert to fraction form
    102,091.20/152,829.60 = 89,803.20/x
  3. Step 3: Cross multiply
    102,091.20x = 152,829.60 × 89,803.20
  4. Step 4: Simplify right side
    102,091.20x = 13,724,587,134.72
  5. Step 5: Solve for x
    x = 13,724,587,134.72/102,091.20
  6. Step 6: Final answer
    x = 134,434.58

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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.