Home / 98,407.72-147,634.62-31,845.16

Finding the Fourth Proportional to 98,407.72, 147,634.62 and 31,845.16

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Solution

The fourth proportional to 98,407.72, 147,634.62 and 31,845.16 is: 47,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,407.72 : 147,634.62 = 31,845.16 : x
  2. Step 2: Convert to fraction form
    98,407.72/147,634.62 = 31,845.16/x
  3. Step 3: Cross multiply
    98,407.72x = 147,634.62 × 31,845.16
  4. Step 4: Simplify right side
    98,407.72x = 4,701,448,095.44
  5. Step 5: Solve for x
    x = 4,701,448,095.44/98,407.72
  6. Step 6: Final answer
    x = 47,775.20

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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.