Home / 107,452.44-160,883.28-81,077.40

Finding the Fourth Proportional to 107,452.44, 160,883.28 and 81,077.40

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Solution

The fourth proportional to 107,452.44, 160,883.28 and 81,077.40 is: 121,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,452.44 : 160,883.28 = 81,077.40 : x
  2. Step 2: Convert to fraction form
    107,452.44/160,883.28 = 81,077.40/x
  3. Step 3: Cross multiply
    107,452.44x = 160,883.28 × 81,077.40
  4. Step 4: Simplify right side
    107,452.44x = 13,043,998,045.87
  5. Step 5: Solve for x
    x = 13,043,998,045.87/107,452.44
  6. Step 6: Final answer
    x = 121,393.22

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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.