Home / 113,957.16-170,996.94-47,443.20

Finding the Fourth Proportional to 113,957.16, 170,996.94 and 47,443.20

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Solution

The fourth proportional to 113,957.16, 170,996.94 and 47,443.20 is: 71,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,957.16 : 170,996.94 = 47,443.20 : x
  2. Step 2: Convert to fraction form
    113,957.16/170,996.94 = 47,443.20/x
  3. Step 3: Cross multiply
    113,957.16x = 170,996.94 × 47,443.20
  4. Step 4: Simplify right side
    113,957.16x = 8,112,642,023.81
  5. Step 5: Solve for x
    x = 8,112,642,023.81/113,957.16
  6. Step 6: Final answer
    x = 71,190.28

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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.