Home / 158,991.10-219,296.64-134,951.92

Finding the Fourth Proportional to 158,991.10, 219,296.64 and 134,951.92

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Solution

The fourth proportional to 158,991.10, 219,296.64 and 134,951.92 is: 186,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.10 : 219,296.64 = 134,951.92 : x
  2. Step 2: Convert to fraction form
    158,991.10/219,296.64 = 134,951.92/x
  3. Step 3: Cross multiply
    158,991.10x = 219,296.64 × 134,951.92
  4. Step 4: Simplify right side
    158,991.10x = 29,594,502,617.55
  5. Step 5: Solve for x
    x = 29,594,502,617.55/158,991.10
  6. Step 6: Final answer
    x = 186,139.37

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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.