Home / 115,842.32-159,825.24-64,847.55

Finding the Fourth Proportional to 115,842.32, 159,825.24 and 64,847.55

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Solution

The fourth proportional to 115,842.32, 159,825.24 and 64,847.55 is: 89,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842.32 : 159,825.24 = 64,847.55 : x
  2. Step 2: Convert to fraction form
    115,842.32/159,825.24 = 64,847.55/x
  3. Step 3: Cross multiply
    115,842.32x = 159,825.24 × 64,847.55
  4. Step 4: Simplify right side
    115,842.32x = 10,364,275,242.16
  5. Step 5: Solve for x
    x = 10,364,275,242.16/115,842.32
  6. Step 6: Final answer
    x = 89,468.82

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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.