Home / 98,974.90-148,416.18-28,840.24

Finding the Fourth Proportional to 98,974.90, 148,416.18 and 28,840.24

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Solution

The fourth proportional to 98,974.90, 148,416.18 and 28,840.24 is: 43,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,974.90 : 148,416.18 = 28,840.24 : x
  2. Step 2: Convert to fraction form
    98,974.90/148,416.18 = 28,840.24/x
  3. Step 3: Cross multiply
    98,974.90x = 148,416.18 × 28,840.24
  4. Step 4: Simplify right side
    98,974.90x = 4,280,358,251.08
  5. Step 5: Solve for x
    x = 4,280,358,251.08/98,974.90
  6. Step 6: Final answer
    x = 43,246.91

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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.