Home / 123,942.16-185,911.75-45,055.72

Finding the Fourth Proportional to 123,942.16, 185,911.75 and 45,055.72

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Solution

The fourth proportional to 123,942.16, 185,911.75 and 45,055.72 is: 67,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.16 : 185,911.75 = 45,055.72 : x
  2. Step 2: Convert to fraction form
    123,942.16/185,911.75 = 45,055.72/x
  3. Step 3: Cross multiply
    123,942.16x = 185,911.75 × 45,055.72
  4. Step 4: Simplify right side
    123,942.16x = 8,376,387,752.71
  5. Step 5: Solve for x
    x = 8,376,387,752.71/123,942.16
  6. Step 6: Final answer
    x = 67,583.04

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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.