Home / 98,520.08-147,800.89-31,955.03

Finding the Fourth Proportional to 98,520.08, 147,800.89 and 31,955.03

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Solution

The fourth proportional to 98,520.08, 147,800.89 and 31,955.03 is: 47,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520.08 : 147,800.89 = 31,955.03 : x
  2. Step 2: Convert to fraction form
    98,520.08/147,800.89 = 31,955.03/x
  3. Step 3: Cross multiply
    98,520.08x = 147,800.89 × 31,955.03
  4. Step 4: Simplify right side
    98,520.08x = 4,722,981,714.20
  5. Step 5: Solve for x
    x = 4,722,981,714.20/98,520.08
  6. Step 6: Final answer
    x = 47,939.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.