Home / 402,336.08-603,569.44-136,112.80

Finding the Fourth Proportional to 402,336.08, 603,569.44 and 136,112.80

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Solution

The fourth proportional to 402,336.08, 603,569.44 and 136,112.80 is: 204,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,336.08 : 603,569.44 = 136,112.80 : x
  2. Step 2: Convert to fraction form
    402,336.08/603,569.44 = 136,112.80/x
  3. Step 3: Cross multiply
    402,336.08x = 603,569.44 × 136,112.80
  4. Step 4: Simplify right side
    402,336.08x = 82,153,526,472.83
  5. Step 5: Solve for x
    x = 82,153,526,472.83/402,336.08
  6. Step 6: Final answer
    x = 204,191.30

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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.