Home / 179,732.20-248,031.30-99,159.72

Finding the Fourth Proportional to 179,732.20, 248,031.30 and 99,159.72

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Solution

The fourth proportional to 179,732.20, 248,031.30 and 99,159.72 is: 136,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,732.20 : 248,031.30 = 99,159.72 : x
  2. Step 2: Convert to fraction form
    179,732.20/248,031.30 = 99,159.72/x
  3. Step 3: Cross multiply
    179,732.20x = 248,031.30 × 99,159.72
  4. Step 4: Simplify right side
    179,732.20x = 24,594,714,259.24
  5. Step 5: Solve for x
    x = 24,594,714,259.24/179,732.20
  6. Step 6: Final answer
    x = 136,840.89

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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.