Home / 132,840.79-199,039.30-93,327.17

Finding the Fourth Proportional to 132,840.79, 199,039.30 and 93,327.17

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Solution

The fourth proportional to 132,840.79, 199,039.30 and 93,327.17 is: 139,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840.79 : 199,039.30 = 93,327.17 : x
  2. Step 2: Convert to fraction form
    132,840.79/199,039.30 = 93,327.17/x
  3. Step 3: Cross multiply
    132,840.79x = 199,039.30 × 93,327.17
  4. Step 4: Simplify right side
    132,840.79x = 18,575,774,105.66
  5. Step 5: Solve for x
    x = 18,575,774,105.66/132,840.79
  6. Step 6: Final answer
    x = 139,834.86

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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.