Home / 100,124.50-150,070.11-55,730.02

Finding the Fourth Proportional to 100,124.50, 150,070.11 and 55,730.02

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Solution

The fourth proportional to 100,124.50, 150,070.11 and 55,730.02 is: 83,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,124.50 : 150,070.11 = 55,730.02 : x
  2. Step 2: Convert to fraction form
    100,124.50/150,070.11 = 55,730.02/x
  3. Step 3: Cross multiply
    100,124.50x = 150,070.11 × 55,730.02
  4. Step 4: Simplify right side
    100,124.50x = 8,363,410,231.70
  5. Step 5: Solve for x
    x = 8,363,410,231.70/100,124.50
  6. Step 6: Final answer
    x = 83,530.11

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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.