Home / 138,904.35-208,359.59-96,167.67

Finding the Fourth Proportional to 138,904.35, 208,359.59 and 96,167.67

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Solution

The fourth proportional to 138,904.35, 208,359.59 and 96,167.67 is: 144,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,904.35 : 208,359.59 = 96,167.67 : x
  2. Step 2: Convert to fraction form
    138,904.35/208,359.59 = 96,167.67/x
  3. Step 3: Cross multiply
    138,904.35x = 208,359.59 × 96,167.67
  4. Step 4: Simplify right side
    138,904.35x = 20,037,455,811.62
  5. Step 5: Solve for x
    x = 20,037,455,811.62/138,904.35
  6. Step 6: Final answer
    x = 144,253.62

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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.