Home / 109,018.12-163,555.50-49,825.48

Finding the Fourth Proportional to 109,018.12, 163,555.50 and 49,825.48

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Solution

The fourth proportional to 109,018.12, 163,555.50 and 49,825.48 is: 74,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,018.12 : 163,555.50 = 49,825.48 : x
  2. Step 2: Convert to fraction form
    109,018.12/163,555.50 = 49,825.48/x
  3. Step 3: Cross multiply
    109,018.12x = 163,555.50 × 49,825.48
  4. Step 4: Simplify right side
    109,018.12x = 8,149,231,294.14
  5. Step 5: Solve for x
    x = 8,149,231,294.14/109,018.12
  6. Step 6: Final answer
    x = 74,751.16

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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.