Home / 188,690.28-283,166.63-121,964.91

Finding the Fourth Proportional to 188,690.28, 283,166.63 and 121,964.91

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Solution

The fourth proportional to 188,690.28, 283,166.63 and 121,964.91 is: 183,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,690.28 : 283,166.63 = 121,964.91 : x
  2. Step 2: Convert to fraction form
    188,690.28/283,166.63 = 121,964.91/x
  3. Step 3: Cross multiply
    188,690.28x = 283,166.63 × 121,964.91
  4. Step 4: Simplify right side
    188,690.28x = 34,536,392,014.67
  5. Step 5: Solve for x
    x = 34,536,392,014.67/188,690.28
  6. Step 6: Final answer
    x = 183,032.18

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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.