Home / 145,408.02-200,581.11-84,965.82

Finding the Fourth Proportional to 145,408.02, 200,581.11 and 84,965.82

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Solution

The fourth proportional to 145,408.02, 200,581.11 and 84,965.82 is: 117,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,408.02 : 200,581.11 = 84,965.82 : x
  2. Step 2: Convert to fraction form
    145,408.02/200,581.11 = 84,965.82/x
  3. Step 3: Cross multiply
    145,408.02x = 200,581.11 × 84,965.82
  4. Step 4: Simplify right side
    145,408.02x = 17,042,538,487.66
  5. Step 5: Solve for x
    x = 17,042,538,487.66/145,408.02
  6. Step 6: Final answer
    x = 117,204.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.