Home / 150,572.51-225,557.62-90,567.85

Finding the Fourth Proportional to 150,572.51, 225,557.62 and 90,567.85

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Solution

The fourth proportional to 150,572.51, 225,557.62 and 90,567.85 is: 135,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,572.51 : 225,557.62 = 90,567.85 : x
  2. Step 2: Convert to fraction form
    150,572.51/225,557.62 = 90,567.85/x
  3. Step 3: Cross multiply
    150,572.51x = 225,557.62 × 90,567.85
  4. Step 4: Simplify right side
    150,572.51x = 20,428,267,113.89
  5. Step 5: Solve for x
    x = 20,428,267,113.89/150,572.51
  6. Step 6: Final answer
    x = 135,670.63

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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.