Home / 98,868.91-148,328.67-28,748.24

Finding the Fourth Proportional to 98,868.91, 148,328.67 and 28,748.24

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Solution

The fourth proportional to 98,868.91, 148,328.67 and 28,748.24 is: 43,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.91 : 148,328.67 = 28,748.24 : x
  2. Step 2: Convert to fraction form
    98,868.91/148,328.67 = 28,748.24/x
  3. Step 3: Cross multiply
    98,868.91x = 148,328.67 × 28,748.24
  4. Step 4: Simplify right side
    98,868.91x = 4,264,188,204.04
  5. Step 5: Solve for x
    x = 4,264,188,204.04/98,868.91
  6. Step 6: Final answer
    x = 43,129.72

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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.