Home / 100,937.20-151,405.80-98,863.60

Finding the Fourth Proportional to 100,937.20, 151,405.80 and 98,863.60

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Solution

The fourth proportional to 100,937.20, 151,405.80 and 98,863.60 is: 148,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.20 : 151,405.80 = 98,863.60 : x
  2. Step 2: Convert to fraction form
    100,937.20/151,405.80 = 98,863.60/x
  3. Step 3: Cross multiply
    100,937.20x = 151,405.80 × 98,863.60
  4. Step 4: Simplify right side
    100,937.20x = 14,968,522,448.88
  5. Step 5: Solve for x
    x = 14,968,522,448.88/100,937.20
  6. Step 6: Final answer
    x = 148,295.40

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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.