Home / 115,569.37-158,873.42-99,377.38

Finding the Fourth Proportional to 115,569.37, 158,873.42 and 99,377.38

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Solution

The fourth proportional to 115,569.37, 158,873.42 and 99,377.38 is: 136,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,569.37 : 158,873.42 = 99,377.38 : x
  2. Step 2: Convert to fraction form
    115,569.37/158,873.42 = 99,377.38/x
  3. Step 3: Cross multiply
    115,569.37x = 158,873.42 × 99,377.38
  4. Step 4: Simplify right side
    115,569.37x = 15,788,424,231.24
  5. Step 5: Solve for x
    x = 15,788,424,231.24/115,569.37
  6. Step 6: Final answer
    x = 136,614.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.