Home / 109,035.20-163,601.40-49,840.40

Finding the Fourth Proportional to 109,035.20, 163,601.40 and 49,840.40

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Solution

The fourth proportional to 109,035.20, 163,601.40 and 49,840.40 is: 74,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,035.20 : 163,601.40 = 49,840.40 : x
  2. Step 2: Convert to fraction form
    109,035.20/163,601.40 = 49,840.40/x
  3. Step 3: Cross multiply
    109,035.20x = 163,601.40 × 49,840.40
  4. Step 4: Simplify right side
    109,035.20x = 8,153,959,216.56
  5. Step 5: Solve for x
    x = 8,153,959,216.56/109,035.20
  6. Step 6: Final answer
    x = 74,782.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.