Home / 133,162.47-199,355.50-69,832.41

Finding the Fourth Proportional to 133,162.47, 199,355.50 and 69,832.41

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Solution

The fourth proportional to 133,162.47, 199,355.50 and 69,832.41 is: 104,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,162.47 : 199,355.50 = 69,832.41 : x
  2. Step 2: Convert to fraction form
    133,162.47/199,355.50 = 69,832.41/x
  3. Step 3: Cross multiply
    133,162.47x = 199,355.50 × 69,832.41
  4. Step 4: Simplify right side
    133,162.47x = 13,921,475,011.76
  5. Step 5: Solve for x
    x = 13,921,475,011.76/133,162.47
  6. Step 6: Final answer
    x = 104,545.03

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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.