Home / 141,862.80-212,825.82-61,913.70

Finding the Fourth Proportional to 141,862.80, 212,825.82 and 61,913.70

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Solution

The fourth proportional to 141,862.80, 212,825.82 and 61,913.70 is: 92,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,862.80 : 212,825.82 = 61,913.70 : x
  2. Step 2: Convert to fraction form
    141,862.80/212,825.82 = 61,913.70/x
  3. Step 3: Cross multiply
    141,862.80x = 212,825.82 × 61,913.70
  4. Step 4: Simplify right side
    141,862.80x = 13,176,833,971.73
  5. Step 5: Solve for x
    x = 13,176,833,971.73/141,862.80
  6. Step 6: Final answer
    x = 92,884.35

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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.