Home / 152,655.20-228,982.80-99,511.10

Finding the Fourth Proportional to 152,655.20, 228,982.80 and 99,511.10

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Solution

The fourth proportional to 152,655.20, 228,982.80 and 99,511.10 is: 149,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.20 : 228,982.80 = 99,511.10 : x
  2. Step 2: Convert to fraction form
    152,655.20/228,982.80 = 99,511.10/x
  3. Step 3: Cross multiply
    152,655.20x = 228,982.80 × 99,511.10
  4. Step 4: Simplify right side
    152,655.20x = 22,786,330,309.08
  5. Step 5: Solve for x
    x = 22,786,330,309.08/152,655.20
  6. Step 6: Final answer
    x = 149,266.65

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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.