Home / 152,418.92-228,579.91-142,468.20

Finding the Fourth Proportional to 152,418.92, 228,579.91 and 142,468.20

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Solution

The fourth proportional to 152,418.92, 228,579.91 and 142,468.20 is: 213,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.92 : 228,579.91 = 142,468.20 : x
  2. Step 2: Convert to fraction form
    152,418.92/228,579.91 = 142,468.20/x
  3. Step 3: Cross multiply
    152,418.92x = 228,579.91 × 142,468.20
  4. Step 4: Simplify right side
    152,418.92x = 32,565,367,977.69
  5. Step 5: Solve for x
    x = 32,565,367,977.69/152,418.92
  6. Step 6: Final answer
    x = 213,657.00

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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.