Home / 150,111.12-225,167.14-121,897.31

Finding the Fourth Proportional to 150,111.12, 225,167.14 and 121,897.31

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Solution

The fourth proportional to 150,111.12, 225,167.14 and 121,897.31 is: 182,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,111.12 : 225,167.14 = 121,897.31 : x
  2. Step 2: Convert to fraction form
    150,111.12/225,167.14 = 121,897.31/x
  3. Step 3: Cross multiply
    150,111.12x = 225,167.14 × 121,897.31
  4. Step 4: Simplify right side
    150,111.12x = 27,447,267,692.93
  5. Step 5: Solve for x
    x = 27,447,267,692.93/150,111.12
  6. Step 6: Final answer
    x = 182,846.33

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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.