Home / 131,484.92-181,449.24-71,055.54

Finding the Fourth Proportional to 131,484.92, 181,449.24 and 71,055.54

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Solution

The fourth proportional to 131,484.92, 181,449.24 and 71,055.54 is: 98,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,484.92 : 181,449.24 = 71,055.54 : x
  2. Step 2: Convert to fraction form
    131,484.92/181,449.24 = 71,055.54/x
  3. Step 3: Cross multiply
    131,484.92x = 181,449.24 × 71,055.54
  4. Step 4: Simplify right side
    131,484.92x = 12,892,973,730.79
  5. Step 5: Solve for x
    x = 12,892,973,730.79/131,484.92
  6. Step 6: Final answer
    x = 98,056.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.