Home / 141,811.29-212,756.40-61,856.25

Finding the Fourth Proportional to 141,811.29, 212,756.40 and 61,856.25

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Solution

The fourth proportional to 141,811.29, 212,756.40 and 61,856.25 is: 92,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.29 : 212,756.40 = 61,856.25 : x
  2. Step 2: Convert to fraction form
    141,811.29/212,756.40 = 61,856.25/x
  3. Step 3: Cross multiply
    141,811.29x = 212,756.40 × 61,856.25
  4. Step 4: Simplify right side
    141,811.29x = 13,160,313,067.50
  5. Step 5: Solve for x
    x = 13,160,313,067.50/141,811.29
  6. Step 6: Final answer
    x = 92,801.59

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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.