Home / 90,442.24-124,810.61-50,159.72

Finding the Fourth Proportional to 90,442.24, 124,810.61 and 50,159.72

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Solution

The fourth proportional to 90,442.24, 124,810.61 and 50,159.72 is: 69,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,442.24 : 124,810.61 = 50,159.72 : x
  2. Step 2: Convert to fraction form
    90,442.24/124,810.61 = 50,159.72/x
  3. Step 3: Cross multiply
    90,442.24x = 124,810.61 × 50,159.72
  4. Step 4: Simplify right side
    90,442.24x = 6,260,465,311.86
  5. Step 5: Solve for x
    x = 6,260,465,311.86/90,442.24
  6. Step 6: Final answer
    x = 69,220.59

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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.