Home / 115,561.60-159,473.02-64,575.16

Finding the Fourth Proportional to 115,561.60, 159,473.02 and 64,575.16

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Solution

The fourth proportional to 115,561.60, 159,473.02 and 64,575.16 is: 89,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,561.60 : 159,473.02 = 64,575.16 : x
  2. Step 2: Convert to fraction form
    115,561.60/159,473.02 = 64,575.16/x
  3. Step 3: Cross multiply
    115,561.60x = 159,473.02 × 64,575.16
  4. Step 4: Simplify right side
    115,561.60x = 10,297,995,782.18
  5. Step 5: Solve for x
    x = 10,297,995,782.18/115,561.60
  6. Step 6: Final answer
    x = 89,112.61

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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.