Home / 115,187.42-158,960.23-64,198.73

Finding the Fourth Proportional to 115,187.42, 158,960.23 and 64,198.73

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Solution

The fourth proportional to 115,187.42, 158,960.23 and 64,198.73 is: 88,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,187.42 : 158,960.23 = 64,198.73 : x
  2. Step 2: Convert to fraction form
    115,187.42/158,960.23 = 64,198.73/x
  3. Step 3: Cross multiply
    115,187.42x = 158,960.23 × 64,198.73
  4. Step 4: Simplify right side
    115,187.42x = 10,205,044,886.51
  5. Step 5: Solve for x
    x = 10,205,044,886.51/115,187.42
  6. Step 6: Final answer
    x = 88,595.13

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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.