Home / 132,339.79-198,398.09-57,403.52

Finding the Fourth Proportional to 132,339.79, 198,398.09 and 57,403.52

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Solution

The fourth proportional to 132,339.79, 198,398.09 and 57,403.52 is: 86,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.79 : 198,398.09 = 57,403.52 : x
  2. Step 2: Convert to fraction form
    132,339.79/198,398.09 = 57,403.52/x
  3. Step 3: Cross multiply
    132,339.79x = 198,398.09 × 57,403.52
  4. Step 4: Simplify right side
    132,339.79x = 11,388,748,727.28
  5. Step 5: Solve for x
    x = 11,388,748,727.28/132,339.79
  6. Step 6: Final answer
    x = 86,056.87

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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.