Home / 131,727.74-181,784.83-71,298.36

Finding the Fourth Proportional to 131,727.74, 181,784.83 and 71,298.36

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Solution

The fourth proportional to 131,727.74, 181,784.83 and 71,298.36 is: 98,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.74 : 181,784.83 = 71,298.36 : x
  2. Step 2: Convert to fraction form
    131,727.74/181,784.83 = 71,298.36/x
  3. Step 3: Cross multiply
    131,727.74x = 181,784.83 × 71,298.36
  4. Step 4: Simplify right side
    131,727.74x = 12,960,959,895.39
  5. Step 5: Solve for x
    x = 12,960,959,895.39/131,727.74
  6. Step 6: Final answer
    x = 98,392.03

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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.