Home / 100,201.95-150,312.78-29,125.21

Finding the Fourth Proportional to 100,201.95, 150,312.78 and 29,125.21

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Solution

The fourth proportional to 100,201.95, 150,312.78 and 29,125.21 is: 43,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,201.95 : 150,312.78 = 29,125.21 : x
  2. Step 2: Convert to fraction form
    100,201.95/150,312.78 = 29,125.21/x
  3. Step 3: Cross multiply
    100,201.95x = 150,312.78 × 29,125.21
  4. Step 4: Simplify right side
    100,201.95x = 4,377,891,283.18
  5. Step 5: Solve for x
    x = 4,377,891,283.18/100,201.95
  6. Step 6: Final answer
    x = 43,690.68

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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.