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Finding the Fourth Proportional to 141,713.70, 212,600.54 and 46,938.52

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Solution

The fourth proportional to 141,713.70, 212,600.54 and 46,938.52 is: 70,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.70 : 212,600.54 = 46,938.52 : x
  2. Step 2: Convert to fraction form
    141,713.70/212,600.54 = 46,938.52/x
  3. Step 3: Cross multiply
    141,713.70x = 212,600.54 × 46,938.52
  4. Step 4: Simplify right side
    141,713.70x = 9,979,154,698.80
  5. Step 5: Solve for x
    x = 9,979,154,698.80/141,713.70
  6. Step 6: Final answer
    x = 70,417.71

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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.