Home / 131,727.24-181,783.08-71,298.92

Finding the Fourth Proportional to 131,727.24, 181,783.08 and 71,298.92

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Solution

The fourth proportional to 131,727.24, 181,783.08 and 71,298.92 is: 98,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.24 : 181,783.08 = 71,298.92 : x
  2. Step 2: Convert to fraction form
    131,727.24/181,783.08 = 71,298.92/x
  3. Step 3: Cross multiply
    131,727.24x = 181,783.08 × 71,298.92
  4. Step 4: Simplify right side
    131,727.24x = 12,960,936,369.36
  5. Step 5: Solve for x
    x = 12,960,936,369.36/131,727.24
  6. Step 6: Final answer
    x = 98,392.23

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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.