Home / 100,280.20-150,420.30-97,364.20

Finding the Fourth Proportional to 100,280.20, 150,420.30 and 97,364.20

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Solution

The fourth proportional to 100,280.20, 150,420.30 and 97,364.20 is: 146,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280.20 : 150,420.30 = 97,364.20 : x
  2. Step 2: Convert to fraction form
    100,280.20/150,420.30 = 97,364.20/x
  3. Step 3: Cross multiply
    100,280.20x = 150,420.30 × 97,364.20
  4. Step 4: Simplify right side
    100,280.20x = 14,645,552,173.26
  5. Step 5: Solve for x
    x = 14,645,552,173.26/100,280.20
  6. Step 6: Final answer
    x = 146,046.30

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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.