Home / 135,615.02-203,394.69-51,346.17

Finding the Fourth Proportional to 135,615.02, 203,394.69 and 51,346.17

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Solution

The fourth proportional to 135,615.02, 203,394.69 and 51,346.17 is: 77,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,615.02 : 203,394.69 = 51,346.17 : x
  2. Step 2: Convert to fraction form
    135,615.02/203,394.69 = 51,346.17/x
  3. Step 3: Cross multiply
    135,615.02x = 203,394.69 × 51,346.17
  4. Step 4: Simplify right side
    135,615.02x = 10,443,538,329.84
  5. Step 5: Solve for x
    x = 10,443,538,329.84/135,615.02
  6. Step 6: Final answer
    x = 77,008.72

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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.