Home / 88,820.78-133,141.36-38,252.78

Finding the Fourth Proportional to 88,820.78, 133,141.36 and 38,252.78

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Solution

The fourth proportional to 88,820.78, 133,141.36 and 38,252.78 is: 57,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,820.78 : 133,141.36 = 38,252.78 : x
  2. Step 2: Convert to fraction form
    88,820.78/133,141.36 = 38,252.78/x
  3. Step 3: Cross multiply
    88,820.78x = 133,141.36 × 38,252.78
  4. Step 4: Simplify right side
    88,820.78x = 5,093,027,152.98
  5. Step 5: Solve for x
    x = 5,093,027,152.98/88,820.78
  6. Step 6: Final answer
    x = 57,340.49

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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.