Home / 100,776.07-151,063.80-48,124

Finding the Fourth Proportional to 100,776.07, 151,063.80 and 48,124

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Solution

The fourth proportional to 100,776.07, 151,063.80 and 48,124 is: 72,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,776.07 : 151,063.80 = 48,124 : x
  2. Step 2: Convert to fraction form
    100,776.07/151,063.80 = 48,124/x
  3. Step 3: Cross multiply
    100,776.07x = 151,063.80 × 48,124
  4. Step 4: Simplify right side
    100,776.07x = 7,269,794,311.20
  5. Step 5: Solve for x
    x = 7,269,794,311.20/100,776.07
  6. Step 6: Final answer
    x = 72,138.10

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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.