Home / 109,188.19-150,679.23-61,442.34

Finding the Fourth Proportional to 109,188.19, 150,679.23 and 61,442.34

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Solution

The fourth proportional to 109,188.19, 150,679.23 and 61,442.34 is: 84,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188.19 : 150,679.23 = 61,442.34 : x
  2. Step 2: Convert to fraction form
    109,188.19/150,679.23 = 61,442.34/x
  3. Step 3: Cross multiply
    109,188.19x = 150,679.23 × 61,442.34
  4. Step 4: Simplify right side
    109,188.19x = 9,258,084,480.60
  5. Step 5: Solve for x
    x = 9,258,084,480.60/109,188.19
  6. Step 6: Final answer
    x = 84,790.16

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1.5x scale

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.