Home / 115,523.91-159,421.23-64,537.38

Finding the Fourth Proportional to 115,523.91, 159,421.23 and 64,537.38

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Solution

The fourth proportional to 115,523.91, 159,421.23 and 64,537.38 is: 89,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.91 : 159,421.23 = 64,537.38 : x
  2. Step 2: Convert to fraction form
    115,523.91/159,421.23 = 64,537.38/x
  3. Step 3: Cross multiply
    115,523.91x = 159,421.23 × 64,537.38
  4. Step 4: Simplify right side
    115,523.91x = 10,288,628,500.58
  5. Step 5: Solve for x
    x = 10,288,628,500.58/115,523.91
  6. Step 6: Final answer
    x = 89,060.60

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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.