Home / 157,992.10-218,031.70-94,335.46

Finding the Fourth Proportional to 157,992.10, 218,031.70 and 94,335.46

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Solution

The fourth proportional to 157,992.10, 218,031.70 and 94,335.46 is: 130,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,992.10 : 218,031.70 = 94,335.46 : x
  2. Step 2: Convert to fraction form
    157,992.10/218,031.70 = 94,335.46/x
  3. Step 3: Cross multiply
    157,992.10x = 218,031.70 × 94,335.46
  4. Step 4: Simplify right side
    157,992.10x = 20,568,120,714.08
  5. Step 5: Solve for x
    x = 20,568,120,714.08/157,992.10
  6. Step 6: Final answer
    x = 130,184.49

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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.