Home / 131,437.28-197,015.13-93,883.45

Finding the Fourth Proportional to 131,437.28, 197,015.13 and 93,883.45

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Solution

The fourth proportional to 131,437.28, 197,015.13 and 93,883.45 is: 140,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.28 : 197,015.13 = 93,883.45 : x
  2. Step 2: Convert to fraction form
    131,437.28/197,015.13 = 93,883.45/x
  3. Step 3: Cross multiply
    131,437.28x = 197,015.13 × 93,883.45
  4. Step 4: Simplify right side
    131,437.28x = 18,496,459,637.18
  5. Step 5: Solve for x
    x = 18,496,459,637.18/131,437.28
  6. Step 6: Final answer
    x = 140,724.61

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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.