Home / 100,208.16-150,341.04-47,545.20

Finding the Fourth Proportional to 100,208.16, 150,341.04 and 47,545.20

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Solution

The fourth proportional to 100,208.16, 150,341.04 and 47,545.20 is: 71,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,208.16 : 150,341.04 = 47,545.20 : x
  2. Step 2: Convert to fraction form
    100,208.16/150,341.04 = 47,545.20/x
  3. Step 3: Cross multiply
    100,208.16x = 150,341.04 × 47,545.20
  4. Step 4: Simplify right side
    100,208.16x = 7,147,994,815.01
  5. Step 5: Solve for x
    x = 7,147,994,815.01/100,208.16
  6. Step 6: Final answer
    x = 71,331.46

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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.