Home / 230,098.20-345,276.90-89,838.60

Finding the Fourth Proportional to 230,098.20, 345,276.90 and 89,838.60

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Solution

The fourth proportional to 230,098.20, 345,276.90 and 89,838.60 is: 134,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,098.20 : 345,276.90 = 89,838.60 : x
  2. Step 2: Convert to fraction form
    230,098.20/345,276.90 = 89,838.60/x
  3. Step 3: Cross multiply
    230,098.20x = 345,276.90 × 89,838.60
  4. Step 4: Simplify right side
    230,098.20x = 31,019,193,308.34
  5. Step 5: Solve for x
    x = 31,019,193,308.34/230,098.20
  6. Step 6: Final answer
    x = 134,808.50

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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.