Home / 150,488.36-207,530.25-90,049.40

Finding the Fourth Proportional to 150,488.36, 207,530.25 and 90,049.40

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Solution

The fourth proportional to 150,488.36, 207,530.25 and 90,049.40 is: 124,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,488.36 : 207,530.25 = 90,049.40 : x
  2. Step 2: Convert to fraction form
    150,488.36/207,530.25 = 90,049.40/x
  3. Step 3: Cross multiply
    150,488.36x = 207,530.25 × 90,049.40
  4. Step 4: Simplify right side
    150,488.36x = 18,687,974,494.35
  5. Step 5: Solve for x
    x = 18,687,974,494.35/150,488.36
  6. Step 6: Final answer
    x = 124,182.19

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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.