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Finding the Fourth Proportional to 98,851.96, 148,334.72 and 98,049.52

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Solution

The fourth proportional to 98,851.96, 148,334.72 and 98,049.52 is: 147,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,851.96 : 148,334.72 = 98,049.52 : x
  2. Step 2: Convert to fraction form
    98,851.96/148,334.72 = 98,049.52/x
  3. Step 3: Cross multiply
    98,851.96x = 148,334.72 × 98,049.52
  4. Step 4: Simplify right side
    98,851.96x = 14,544,148,095.33
  5. Step 5: Solve for x
    x = 14,544,148,095.33/98,851.96
  6. Step 6: Final answer
    x = 147,130.60

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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.