Home / 90,449.28-124,813.80-50,159.25

Finding the Fourth Proportional to 90,449.28, 124,813.80 and 50,159.25

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Solution

The fourth proportional to 90,449.28, 124,813.80 and 50,159.25 is: 69,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,449.28 : 124,813.80 = 50,159.25 : x
  2. Step 2: Convert to fraction form
    90,449.28/124,813.80 = 50,159.25/x
  3. Step 3: Cross multiply
    90,449.28x = 124,813.80 × 50,159.25
  4. Step 4: Simplify right side
    90,449.28x = 6,260,566,597.65
  5. Step 5: Solve for x
    x = 6,260,566,597.65/90,449.28
  6. Step 6: Final answer
    x = 69,216.32

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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.