Home / 106,876.80-160,315.20-57,110.40

Finding the Fourth Proportional to 106,876.80, 160,315.20 and 57,110.40

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Solution

The fourth proportional to 106,876.80, 160,315.20 and 57,110.40 is: 85,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,876.80 : 160,315.20 = 57,110.40 : x
  2. Step 2: Convert to fraction form
    106,876.80/160,315.20 = 57,110.40/x
  3. Step 3: Cross multiply
    106,876.80x = 160,315.20 × 57,110.40
  4. Step 4: Simplify right side
    106,876.80x = 9,155,665,198.08
  5. Step 5: Solve for x
    x = 9,155,665,198.08/106,876.80
  6. Step 6: Final answer
    x = 85,665.60

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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.