Home / 98,818.31-148,246.20-39,658.68

Finding the Fourth Proportional to 98,818.31, 148,246.20 and 39,658.68

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Solution

The fourth proportional to 98,818.31, 148,246.20 and 39,658.68 is: 59,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.31 : 148,246.20 = 39,658.68 : x
  2. Step 2: Convert to fraction form
    98,818.31/148,246.20 = 39,658.68/x
  3. Step 3: Cross multiply
    98,818.31x = 148,246.20 × 39,658.68
  4. Step 4: Simplify right side
    98,818.31x = 5,879,248,607.02
  5. Step 5: Solve for x
    x = 5,879,248,607.02/98,818.31
  6. Step 6: Final answer
    x = 59,495.54

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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.