Home / 131,281.00-181,094.83-86,031.97

Finding the Fourth Proportional to 131,281.00, 181,094.83 and 86,031.97

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Solution

The fourth proportional to 131,281.00, 181,094.83 and 86,031.97 is: 118,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,281.00 : 181,094.83 = 86,031.97 : x
  2. Step 2: Convert to fraction form
    131,281.00/181,094.83 = 86,031.97/x
  3. Step 3: Cross multiply
    131,281.00x = 181,094.83 × 86,031.97
  4. Step 4: Simplify right side
    131,281.00x = 15,579,944,313.90
  5. Step 5: Solve for x
    x = 15,579,944,313.90/131,281.00
  6. Step 6: Final answer
    x = 118,676.31

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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.