Home / 150,703.04-208,142.80-99,250.14

Finding the Fourth Proportional to 150,703.04, 208,142.80 and 99,250.14

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Solution

The fourth proportional to 150,703.04, 208,142.80 and 99,250.14 is: 137,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,703.04 : 208,142.80 = 99,250.14 : x
  2. Step 2: Convert to fraction form
    150,703.04/208,142.80 = 99,250.14/x
  3. Step 3: Cross multiply
    150,703.04x = 208,142.80 × 99,250.14
  4. Step 4: Simplify right side
    150,703.04x = 20,658,202,039.99
  5. Step 5: Solve for x
    x = 20,658,202,039.99/150,703.04
  6. Step 6: Final answer
    x = 137,078.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.