Home / 141,423.30-212,204.07-66,550.95

Finding the Fourth Proportional to 141,423.30, 212,204.07 and 66,550.95

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Solution

The fourth proportional to 141,423.30, 212,204.07 and 66,550.95 is: 99,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,423.30 : 212,204.07 = 66,550.95 : x
  2. Step 2: Convert to fraction form
    141,423.30/212,204.07 = 66,550.95/x
  3. Step 3: Cross multiply
    141,423.30x = 212,204.07 × 66,550.95
  4. Step 4: Simplify right side
    141,423.30x = 14,122,382,452.37
  5. Step 5: Solve for x
    x = 14,122,382,452.37/141,423.30
  6. Step 6: Final answer
    x = 99,858.95

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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.