Home / 94,821.49-142,184.61-31,619.25

Finding the Fourth Proportional to 94,821.49, 142,184.61 and 31,619.25

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Solution

The fourth proportional to 94,821.49, 142,184.61 and 31,619.25 is: 47,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,821.49 : 142,184.61 = 31,619.25 : x
  2. Step 2: Convert to fraction form
    94,821.49/142,184.61 = 31,619.25/x
  3. Step 3: Cross multiply
    94,821.49x = 142,184.61 × 31,619.25
  4. Step 4: Simplify right side
    94,821.49x = 4,495,770,729.74
  5. Step 5: Solve for x
    x = 4,495,770,729.74/94,821.49
  6. Step 6: Final answer
    x = 47,412.99

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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.