Home / 87,268.07-130,791.33-45,140.29

Finding the Fourth Proportional to 87,268.07, 130,791.33 and 45,140.29

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Solution

The fourth proportional to 87,268.07, 130,791.33 and 45,140.29 is: 67,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.07 : 130,791.33 = 45,140.29 : x
  2. Step 2: Convert to fraction form
    87,268.07/130,791.33 = 45,140.29/x
  3. Step 3: Cross multiply
    87,268.07x = 130,791.33 × 45,140.29
  4. Step 4: Simplify right side
    87,268.07x = 5,903,958,238.71
  5. Step 5: Solve for x
    x = 5,903,958,238.71/87,268.07
  6. Step 6: Final answer
    x = 67,653.13

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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.