Home / 97,941.91-135,225.78-61,203.90

Finding the Fourth Proportional to 97,941.91, 135,225.78 and 61,203.90

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Solution

The fourth proportional to 97,941.91, 135,225.78 and 61,203.90 is: 84,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,941.91 : 135,225.78 = 61,203.90 : x
  2. Step 2: Convert to fraction form
    97,941.91/135,225.78 = 61,203.90/x
  3. Step 3: Cross multiply
    97,941.91x = 135,225.78 × 61,203.90
  4. Step 4: Simplify right side
    97,941.91x = 8,276,345,116.54
  5. Step 5: Solve for x
    x = 8,276,345,116.54/97,941.91
  6. Step 6: Final answer
    x = 84,502.59

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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.