Home / 131,846.28-181,948.05-71,417.58

Finding the Fourth Proportional to 131,846.28, 181,948.05 and 71,417.58

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Solution

The fourth proportional to 131,846.28, 181,948.05 and 71,417.58 is: 98,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.28 : 181,948.05 = 71,417.58 : x
  2. Step 2: Convert to fraction form
    131,846.28/181,948.05 = 71,417.58/x
  3. Step 3: Cross multiply
    131,846.28x = 181,948.05 × 71,417.58
  4. Step 4: Simplify right side
    131,846.28x = 12,994,289,416.72
  5. Step 5: Solve for x
    x = 12,994,289,416.72/131,846.28
  6. Step 6: Final answer
    x = 98,556.36

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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.