Home / 94,818.20-142,143.80-38,705.48

Finding the Fourth Proportional to 94,818.20, 142,143.80 and 38,705.48

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Solution

The fourth proportional to 94,818.20, 142,143.80 and 38,705.48 is: 58,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,818.20 : 142,143.80 = 38,705.48 : x
  2. Step 2: Convert to fraction form
    94,818.20/142,143.80 = 38,705.48/x
  3. Step 3: Cross multiply
    94,818.20x = 142,143.80 × 38,705.48
  4. Step 4: Simplify right side
    94,818.20x = 5,501,743,394.07
  5. Step 5: Solve for x
    x = 5,501,743,394.07/94,818.20
  6. Step 6: Final answer
    x = 58,024.13

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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.