Home / 141,605.10-212,357.05-46,817.78

Finding the Fourth Proportional to 141,605.10, 212,357.05 and 46,817.78

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Solution

The fourth proportional to 141,605.10, 212,357.05 and 46,817.78 is: 70,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,605.10 : 212,357.05 = 46,817.78 : x
  2. Step 2: Convert to fraction form
    141,605.10/212,357.05 = 46,817.78/x
  3. Step 3: Cross multiply
    141,605.10x = 212,357.05 × 46,817.78
  4. Step 4: Simplify right side
    141,605.10x = 9,942,086,889.10
  5. Step 5: Solve for x
    x = 9,942,086,889.10/141,605.10
  6. Step 6: Final answer
    x = 70,209.95

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1.5x scale

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.