Home / 136,392.60-204,621.09-42,898.35

Finding the Fourth Proportional to 136,392.60, 204,621.09 and 42,898.35

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Solution

The fourth proportional to 136,392.60, 204,621.09 and 42,898.35 is: 64,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,392.60 : 204,621.09 = 42,898.35 : x
  2. Step 2: Convert to fraction form
    136,392.60/204,621.09 = 42,898.35/x
  3. Step 3: Cross multiply
    136,392.60x = 204,621.09 × 42,898.35
  4. Step 4: Simplify right side
    136,392.60x = 8,777,907,136.20
  5. Step 5: Solve for x
    x = 8,777,907,136.20/136,392.60
  6. Step 6: Final answer
    x = 64,357.65

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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.