Home / 100,780.17-151,263.72-50,895.38

Finding the Fourth Proportional to 100,780.17, 151,263.72 and 50,895.38

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Solution

The fourth proportional to 100,780.17, 151,263.72 and 50,895.38 is: 76,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,780.17 : 151,263.72 = 50,895.38 : x
  2. Step 2: Convert to fraction form
    100,780.17/151,263.72 = 50,895.38/x
  3. Step 3: Cross multiply
    100,780.17x = 151,263.72 × 50,895.38
  4. Step 4: Simplify right side
    100,780.17x = 7,698,623,753.30
  5. Step 5: Solve for x
    x = 7,698,623,753.30/100,780.17
  6. Step 6: Final answer
    x = 76,390.26

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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.