Home / 171,830.66-257,616.38-112,681.22

Finding the Fourth Proportional to 171,830.66, 257,616.38 and 112,681.22

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Solution

The fourth proportional to 171,830.66, 257,616.38 and 112,681.22 is: 168,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,830.66 : 257,616.38 = 112,681.22 : x
  2. Step 2: Convert to fraction form
    171,830.66/257,616.38 = 112,681.22/x
  3. Step 3: Cross multiply
    171,830.66x = 257,616.38 × 112,681.22
  4. Step 4: Simplify right side
    171,830.66x = 29,028,527,990.38
  5. Step 5: Solve for x
    x = 29,028,527,990.38/171,830.66
  6. Step 6: Final answer
    x = 168,936.84

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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.