Home / 115,523.82-159,407.06-64,530.07

Finding the Fourth Proportional to 115,523.82, 159,407.06 and 64,530.07

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Solution

The fourth proportional to 115,523.82, 159,407.06 and 64,530.07 is: 89,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.82 : 159,407.06 = 64,530.07 : x
  2. Step 2: Convert to fraction form
    115,523.82/159,407.06 = 64,530.07/x
  3. Step 3: Cross multiply
    115,523.82x = 159,407.06 × 64,530.07
  4. Step 4: Simplify right side
    115,523.82x = 10,286,548,019.13
  5. Step 5: Solve for x
    x = 10,286,548,019.13/115,523.82
  6. Step 6: Final answer
    x = 89,042.66

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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.