Home / 119,213.52-178,976.64-79,946.40

Finding the Fourth Proportional to 119,213.52, 178,976.64 and 79,946.40

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Solution

The fourth proportional to 119,213.52, 178,976.64 and 79,946.40 is: 120,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,213.52 : 178,976.64 = 79,946.40 : x
  2. Step 2: Convert to fraction form
    119,213.52/178,976.64 = 79,946.40/x
  3. Step 3: Cross multiply
    119,213.52x = 178,976.64 × 79,946.40
  4. Step 4: Simplify right side
    119,213.52x = 14,308,538,052.10
  5. Step 5: Solve for x
    x = 14,308,538,052.10/119,213.52
  6. Step 6: Final answer
    x = 120,024.46

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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.