Home / 123,669.23-185,518.62-43,690.64

Finding the Fourth Proportional to 123,669.23, 185,518.62 and 43,690.64

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Solution

The fourth proportional to 123,669.23, 185,518.62 and 43,690.64 is: 65,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.23 : 185,518.62 = 43,690.64 : x
  2. Step 2: Convert to fraction form
    123,669.23/185,518.62 = 43,690.64/x
  3. Step 3: Cross multiply
    123,669.23x = 185,518.62 × 43,690.64
  4. Step 4: Simplify right side
    123,669.23x = 8,105,426,312.12
  5. Step 5: Solve for x
    x = 8,105,426,312.12/123,669.23
  6. Step 6: Final answer
    x = 65,541.17

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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.