Home / 188,066.21-282,099.61-66,577.14

Finding the Fourth Proportional to 188,066.21, 282,099.61 and 66,577.14

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Solution

The fourth proportional to 188,066.21, 282,099.61 and 66,577.14 is: 99,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,066.21 : 282,099.61 = 66,577.14 : x
  2. Step 2: Convert to fraction form
    188,066.21/282,099.61 = 66,577.14/x
  3. Step 3: Cross multiply
    188,066.21x = 282,099.61 × 66,577.14
  4. Step 4: Simplify right side
    188,066.21x = 18,781,385,312.14
  5. Step 5: Solve for x
    x = 18,781,385,312.14/188,066.21
  6. Step 6: Final answer
    x = 99,865.82

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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.