Home / 97,943.91-135,228.54-61,205.90

Finding the Fourth Proportional to 97,943.91, 135,228.54 and 61,205.90

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Solution

The fourth proportional to 97,943.91, 135,228.54 and 61,205.90 is: 84,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,943.91 : 135,228.54 = 61,205.90 : x
  2. Step 2: Convert to fraction form
    97,943.91/135,228.54 = 61,205.90/x
  3. Step 3: Cross multiply
    97,943.91x = 135,228.54 × 61,205.90
  4. Step 4: Simplify right side
    97,943.91x = 8,276,783,820.24
  5. Step 5: Solve for x
    x = 8,276,783,820.24/97,943.91
  6. Step 6: Final answer
    x = 84,505.34

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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.