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Finding the Fourth Proportional to 88,709.35, 133,064.03 and 87,251.35

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Solution

The fourth proportional to 88,709.35, 133,064.03 and 87,251.35 is: 130,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.35 : 133,064.03 = 87,251.35 : x
  2. Step 2: Convert to fraction form
    88,709.35/133,064.03 = 87,251.35/x
  3. Step 3: Cross multiply
    88,709.35x = 133,064.03 × 87,251.35
  4. Step 4: Simplify right side
    88,709.35x = 11,610,016,253.94
  5. Step 5: Solve for x
    x = 11,610,016,253.94/88,709.35
  6. Step 6: Final answer
    x = 130,877.03

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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.