Home / 90,807.92-125,318.97-75,675.26

Finding the Fourth Proportional to 90,807.92, 125,318.97 and 75,675.26

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Solution

The fourth proportional to 90,807.92, 125,318.97 and 75,675.26 is: 104,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,807.92 : 125,318.97 = 75,675.26 : x
  2. Step 2: Convert to fraction form
    90,807.92/125,318.97 = 75,675.26/x
  3. Step 3: Cross multiply
    90,807.92x = 125,318.97 × 75,675.26
  4. Step 4: Simplify right side
    90,807.92x = 9,483,545,637.68
  5. Step 5: Solve for x
    x = 9,483,545,637.68/90,807.92
  6. Step 6: Final answer
    x = 104,435.23

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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.