Home / 402,338.08-603,572.44-136,114.80

Finding the Fourth Proportional to 402,338.08, 603,572.44 and 136,114.80

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Solution

The fourth proportional to 402,338.08, 603,572.44 and 136,114.80 is: 204,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,338.08 : 603,572.44 = 136,114.80 : x
  2. Step 2: Convert to fraction form
    402,338.08/603,572.44 = 136,114.80/x
  3. Step 3: Cross multiply
    402,338.08x = 603,572.44 × 136,114.80
  4. Step 4: Simplify right side
    402,338.08x = 82,155,141,956.11
  5. Step 5: Solve for x
    x = 82,155,141,956.11/402,338.08
  6. Step 6: Final answer
    x = 204,194.30

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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.