Home / 109,188.32-150,679.41-61,442.46

Finding the Fourth Proportional to 109,188.32, 150,679.41 and 61,442.46

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Solution

The fourth proportional to 109,188.32, 150,679.41 and 61,442.46 is: 84,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188.32 : 150,679.41 = 61,442.46 : x
  2. Step 2: Convert to fraction form
    109,188.32/150,679.41 = 61,442.46/x
  3. Step 3: Cross multiply
    109,188.32x = 150,679.41 × 61,442.46
  4. Step 4: Simplify right side
    109,188.32x = 9,258,113,391.34
  5. Step 5: Solve for x
    x = 9,258,113,391.34/109,188.32
  6. Step 6: Final answer
    x = 84,790.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.