Home / 100,323.18-150,545.91-40,340.42

Finding the Fourth Proportional to 100,323.18, 150,545.91 and 40,340.42

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Solution

The fourth proportional to 100,323.18, 150,545.91 and 40,340.42 is: 60,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,323.18 : 150,545.91 = 40,340.42 : x
  2. Step 2: Convert to fraction form
    100,323.18/150,545.91 = 40,340.42/x
  3. Step 3: Cross multiply
    100,323.18x = 150,545.91 × 40,340.42
  4. Step 4: Simplify right side
    100,323.18x = 6,073,084,485.95
  5. Step 5: Solve for x
    x = 6,073,084,485.95/100,323.18
  6. Step 6: Final answer
    x = 60,535.21

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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.