Home / 131,661.08-197,512.10-42,893.93

Finding the Fourth Proportional to 131,661.08, 197,512.10 and 42,893.93

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Solution

The fourth proportional to 131,661.08, 197,512.10 and 42,893.93 is: 64,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,661.08 : 197,512.10 = 42,893.93 : x
  2. Step 2: Convert to fraction form
    131,661.08/197,512.10 = 42,893.93/x
  3. Step 3: Cross multiply
    131,661.08x = 197,512.10 × 42,893.93
  4. Step 4: Simplify right side
    131,661.08x = 8,472,068,989.52
  5. Step 5: Solve for x
    x = 8,472,068,989.52/131,661.08
  6. Step 6: Final answer
    x = 64,347.56

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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.