Home / 99,077.37-148,419.21-54,593.79

Finding the Fourth Proportional to 99,077.37, 148,419.21 and 54,593.79

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Solution

The fourth proportional to 99,077.37, 148,419.21 and 54,593.79 is: 81,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.37 : 148,419.21 = 54,593.79 : x
  2. Step 2: Convert to fraction form
    99,077.37/148,419.21 = 54,593.79/x
  3. Step 3: Cross multiply
    99,077.37x = 148,419.21 × 54,593.79
  4. Step 4: Simplify right side
    99,077.37x = 8,102,767,182.71
  5. Step 5: Solve for x
    x = 8,102,767,182.71/99,077.37
  6. Step 6: Final answer
    x = 81,782.22

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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.