Home / 143,167.24-197,557.14-82,726.12

Finding the Fourth Proportional to 143,167.24, 197,557.14 and 82,726.12

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Solution

The fourth proportional to 143,167.24, 197,557.14 and 82,726.12 is: 114,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,167.24 : 197,557.14 = 82,726.12 : x
  2. Step 2: Convert to fraction form
    143,167.24/197,557.14 = 82,726.12/x
  3. Step 3: Cross multiply
    143,167.24x = 197,557.14 × 82,726.12
  4. Step 4: Simplify right side
    143,167.24x = 16,343,135,670.50
  5. Step 5: Solve for x
    x = 16,343,135,670.50/143,167.24
  6. Step 6: Final answer
    x = 114,154.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.