Home / 94,772.20-141,971.10-61,515.40

Finding the Fourth Proportional to 94,772.20, 141,971.10 and 61,515.40

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Solution

The fourth proportional to 94,772.20, 141,971.10 and 61,515.40 is: 92,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,772.20 : 141,971.10 = 61,515.40 : x
  2. Step 2: Convert to fraction form
    94,772.20/141,971.10 = 61,515.40/x
  3. Step 3: Cross multiply
    94,772.20x = 141,971.10 × 61,515.40
  4. Step 4: Simplify right side
    94,772.20x = 8,733,409,004.94
  5. Step 5: Solve for x
    x = 8,733,409,004.94/94,772.20
  6. Step 6: Final answer
    x = 92,151.59

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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.