Home / 100,133.04-150,216.12-47,513.80

Finding the Fourth Proportional to 100,133.04, 150,216.12 and 47,513.80

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Solution

The fourth proportional to 100,133.04, 150,216.12 and 47,513.80 is: 71,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,133.04 : 150,216.12 = 47,513.80 : x
  2. Step 2: Convert to fraction form
    100,133.04/150,216.12 = 47,513.80/x
  3. Step 3: Cross multiply
    100,133.04x = 150,216.12 × 47,513.80
  4. Step 4: Simplify right side
    100,133.04x = 7,137,338,682.46
  5. Step 5: Solve for x
    x = 7,137,338,682.46/100,133.04
  6. Step 6: Final answer
    x = 71,278.56

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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.