Home / 121,991.04-182,859.69-47,162.58

Finding the Fourth Proportional to 121,991.04, 182,859.69 and 47,162.58

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Solution

The fourth proportional to 121,991.04, 182,859.69 and 47,162.58 is: 70,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,991.04 : 182,859.69 = 47,162.58 : x
  2. Step 2: Convert to fraction form
    121,991.04/182,859.69 = 47,162.58/x
  3. Step 3: Cross multiply
    121,991.04x = 182,859.69 × 47,162.58
  4. Step 4: Simplify right side
    121,991.04x = 8,624,134,161.11
  5. Step 5: Solve for x
    x = 8,624,134,161.11/121,991.04
  6. Step 6: Final answer
    x = 70,694.82

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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.