Home / 90,219.02-124,500.26-49,930.34

Finding the Fourth Proportional to 90,219.02, 124,500.26 and 49,930.34

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Solution

The fourth proportional to 90,219.02, 124,500.26 and 49,930.34 is: 68,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219.02 : 124,500.26 = 49,930.34 : x
  2. Step 2: Convert to fraction form
    90,219.02/124,500.26 = 49,930.34/x
  3. Step 3: Cross multiply
    90,219.02x = 124,500.26 × 49,930.34
  4. Step 4: Simplify right side
    90,219.02x = 6,216,340,311.89
  5. Step 5: Solve for x
    x = 6,216,340,311.89/90,219.02
  6. Step 6: Final answer
    x = 68,902.77

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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.