Home / 98,897.87-148,350.90-28,777.18

Finding the Fourth Proportional to 98,897.87, 148,350.90 and 28,777.18

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Solution

The fourth proportional to 98,897.87, 148,350.90 and 28,777.18 is: 43,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.87 : 148,350.90 = 28,777.18 : x
  2. Step 2: Convert to fraction form
    98,897.87/148,350.90 = 28,777.18/x
  3. Step 3: Cross multiply
    98,897.87x = 148,350.90 × 28,777.18
  4. Step 4: Simplify right side
    98,897.87x = 4,269,120,552.46
  5. Step 5: Solve for x
    x = 4,269,120,552.46/98,897.87
  6. Step 6: Final answer
    x = 43,166.96

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1.5x scale

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.