Home / 136,356.04-204,465.60-79,448.36

Finding the Fourth Proportional to 136,356.04, 204,465.60 and 79,448.36

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Solution

The fourth proportional to 136,356.04, 204,465.60 and 79,448.36 is: 119,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356.04 : 204,465.60 = 79,448.36 : x
  2. Step 2: Convert to fraction form
    136,356.04/204,465.60 = 79,448.36/x
  3. Step 3: Cross multiply
    136,356.04x = 204,465.60 × 79,448.36
  4. Step 4: Simplify right side
    136,356.04x = 16,244,456,596.42
  5. Step 5: Solve for x
    x = 16,244,456,596.42/136,356.04
  6. Step 6: Final answer
    x = 119,132.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.