Home / 95,427.20-143,140.80-53,436.80

Finding the Fourth Proportional to 95,427.20, 143,140.80 and 53,436.80

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Solution

The fourth proportional to 95,427.20, 143,140.80 and 53,436.80 is: 80,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,427.20 : 143,140.80 = 53,436.80 : x
  2. Step 2: Convert to fraction form
    95,427.20/143,140.80 = 53,436.80/x
  3. Step 3: Cross multiply
    95,427.20x = 143,140.80 × 53,436.80
  4. Step 4: Simplify right side
    95,427.20x = 7,648,986,301.44
  5. Step 5: Solve for x
    x = 7,648,986,301.44/95,427.20
  6. Step 6: Final answer
    x = 80,155.20

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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.