Home / 163,714.88-225,924.18-91,117.28

Finding the Fourth Proportional to 163,714.88, 225,924.18 and 91,117.28

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Solution

The fourth proportional to 163,714.88, 225,924.18 and 91,117.28 is: 125,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,714.88 : 225,924.18 = 91,117.28 : x
  2. Step 2: Convert to fraction form
    163,714.88/225,924.18 = 91,117.28/x
  3. Step 3: Cross multiply
    163,714.88x = 225,924.18 × 91,117.28
  4. Step 4: Simplify right side
    163,714.88x = 20,585,596,767.83
  5. Step 5: Solve for x
    x = 20,585,596,767.83/163,714.88
  6. Step 6: Final answer
    x = 125,740.54

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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.