Home / 115,449.10-159,319.08-64,458.88

Finding the Fourth Proportional to 115,449.10, 159,319.08 and 64,458.88

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Solution

The fourth proportional to 115,449.10, 159,319.08 and 64,458.88 is: 88,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,449.10 : 159,319.08 = 64,458.88 : x
  2. Step 2: Convert to fraction form
    115,449.10/159,319.08 = 64,458.88/x
  3. Step 3: Cross multiply
    115,449.10x = 159,319.08 × 64,458.88
  4. Step 4: Simplify right side
    115,449.10x = 10,269,529,459.43
  5. Step 5: Solve for x
    x = 10,269,529,459.43/115,449.10
  6. Step 6: Final answer
    x = 88,952.88

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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.