Home / 131,991.12-197,875.44-89,752.86

Finding the Fourth Proportional to 131,991.12, 197,875.44 and 89,752.86

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Solution

The fourth proportional to 131,991.12, 197,875.44 and 89,752.86 is: 134,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,991.12 : 197,875.44 = 89,752.86 : x
  2. Step 2: Convert to fraction form
    131,991.12/197,875.44 = 89,752.86/x
  3. Step 3: Cross multiply
    131,991.12x = 197,875.44 × 89,752.86
  4. Step 4: Simplify right side
    131,991.12x = 17,759,886,663.76
  5. Step 5: Solve for x
    x = 17,759,886,663.76/131,991.12
  6. Step 6: Final answer
    x = 134,553.65

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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.