Home / 103,777.56-155,666.40-37,221.84

Finding the Fourth Proportional to 103,777.56, 155,666.40 and 37,221.84

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Solution

The fourth proportional to 103,777.56, 155,666.40 and 37,221.84 is: 55,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,777.56 : 155,666.40 = 37,221.84 : x
  2. Step 2: Convert to fraction form
    103,777.56/155,666.40 = 37,221.84/x
  3. Step 3: Cross multiply
    103,777.56x = 155,666.40 × 37,221.84
  4. Step 4: Simplify right side
    103,777.56x = 5,794,189,834.18
  5. Step 5: Solve for x
    x = 5,794,189,834.18/103,777.56
  6. Step 6: Final answer
    x = 55,832.78

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1.5x scale

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.