Home / 99,350.40-148,939.20-59,865.60

Finding the Fourth Proportional to 99,350.40, 148,939.20 and 59,865.60

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Solution

The fourth proportional to 99,350.40, 148,939.20 and 59,865.60 is: 89,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350.40 : 148,939.20 = 59,865.60 : x
  2. Step 2: Convert to fraction form
    99,350.40/148,939.20 = 59,865.60/x
  3. Step 3: Cross multiply
    99,350.40x = 148,939.20 × 59,865.60
  4. Step 4: Simplify right side
    99,350.40x = 8,916,334,571.52
  5. Step 5: Solve for x
    x = 8,916,334,571.52/99,350.40
  6. Step 6: Final answer
    x = 89,746.34

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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.