Home / 131,723.08-181,776.42-71,293.48

Finding the Fourth Proportional to 131,723.08, 181,776.42 and 71,293.48

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Solution

The fourth proportional to 131,723.08, 181,776.42 and 71,293.48 is: 98,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.08 : 181,776.42 = 71,293.48 : x
  2. Step 2: Convert to fraction form
    131,723.08/181,776.42 = 71,293.48/x
  3. Step 3: Cross multiply
    131,723.08x = 181,776.42 × 71,293.48
  4. Step 4: Simplify right side
    131,723.08x = 12,959,473,563.74
  5. Step 5: Solve for x
    x = 12,959,473,563.74/131,723.08
  6. Step 6: Final answer
    x = 98,384.23

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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.