Home / 152,400.91-228,645.11-99,745.24

Finding the Fourth Proportional to 152,400.91, 228,645.11 and 99,745.24

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Solution

The fourth proportional to 152,400.91, 228,645.11 and 99,745.24 is: 149,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,400.91 : 228,645.11 = 99,745.24 : x
  2. Step 2: Convert to fraction form
    152,400.91/228,645.11 = 99,745.24/x
  3. Step 3: Cross multiply
    152,400.91x = 228,645.11 × 99,745.24
  4. Step 4: Simplify right side
    152,400.91x = 22,806,261,371.78
  5. Step 5: Solve for x
    x = 22,806,261,371.78/152,400.91
  6. Step 6: Final answer
    x = 149,646.49

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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.