Home / 158,950.43-219,347.15-87,330.41

Finding the Fourth Proportional to 158,950.43, 219,347.15 and 87,330.41

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Solution

The fourth proportional to 158,950.43, 219,347.15 and 87,330.41 is: 120,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,950.43 : 219,347.15 = 87,330.41 : x
  2. Step 2: Convert to fraction form
    158,950.43/219,347.15 = 87,330.41/x
  3. Step 3: Cross multiply
    158,950.43x = 219,347.15 × 87,330.41
  4. Step 4: Simplify right side
    158,950.43x = 19,155,675,008.44
  5. Step 5: Solve for x
    x = 19,155,675,008.44/158,950.43
  6. Step 6: Final answer
    x = 120,513.52

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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.