Home / 135,825.19-203,749.02-42,330.94

Finding the Fourth Proportional to 135,825.19, 203,749.02 and 42,330.94

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Solution

The fourth proportional to 135,825.19, 203,749.02 and 42,330.94 is: 63,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,825.19 : 203,749.02 = 42,330.94 : x
  2. Step 2: Convert to fraction form
    135,825.19/203,749.02 = 42,330.94/x
  3. Step 3: Cross multiply
    135,825.19x = 203,749.02 × 42,330.94
  4. Step 4: Simplify right side
    135,825.19x = 8,624,887,031.31
  5. Step 5: Solve for x
    x = 8,624,887,031.31/135,825.19
  6. Step 6: Final answer
    x = 63,499.91

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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.