Home / 90,444.24-124,813.37-50,161.72

Finding the Fourth Proportional to 90,444.24, 124,813.37 and 50,161.72

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Solution

The fourth proportional to 90,444.24, 124,813.37 and 50,161.72 is: 69,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.24 : 124,813.37 = 50,161.72 : x
  2. Step 2: Convert to fraction form
    90,444.24/124,813.37 = 50,161.72/x
  3. Step 3: Cross multiply
    90,444.24x = 124,813.37 × 50,161.72
  4. Step 4: Simplify right side
    90,444.24x = 6,260,853,318.20
  5. Step 5: Solve for x
    x = 6,260,853,318.20/90,444.24
  6. Step 6: Final answer
    x = 69,223.35

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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.