Home / 136,421.04-204,612.12-42,924.36

Finding the Fourth Proportional to 136,421.04, 204,612.12 and 42,924.36

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Solution

The fourth proportional to 136,421.04, 204,612.12 and 42,924.36 is: 64,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,421.04 : 204,612.12 = 42,924.36 : x
  2. Step 2: Convert to fraction form
    136,421.04/204,612.12 = 42,924.36/x
  3. Step 3: Cross multiply
    136,421.04x = 204,612.12 × 42,924.36
  4. Step 4: Simplify right side
    136,421.04x = 8,782,844,299.24
  5. Step 5: Solve for x
    x = 8,782,844,299.24/136,421.04
  6. Step 6: Final answer
    x = 64,380.42

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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.