Home / 110,210.61-165,156.36-75,981.25

Finding the Fourth Proportional to 110,210.61, 165,156.36 and 75,981.25

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Solution

The fourth proportional to 110,210.61, 165,156.36 and 75,981.25 is: 113,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,210.61 : 165,156.36 = 75,981.25 : x
  2. Step 2: Convert to fraction form
    110,210.61/165,156.36 = 75,981.25/x
  3. Step 3: Cross multiply
    110,210.61x = 165,156.36 × 75,981.25
  4. Step 4: Simplify right side
    110,210.61x = 12,548,786,292.76
  5. Step 5: Solve for x
    x = 12,548,786,292.76/110,210.61
  6. Step 6: Final answer
    x = 113,861.87

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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.