Home / 119,001.66-178,495.88-87,013.52

Finding the Fourth Proportional to 119,001.66, 178,495.88 and 87,013.52

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Solution

The fourth proportional to 119,001.66, 178,495.88 and 87,013.52 is: 130,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,001.66 : 178,495.88 = 87,013.52 : x
  2. Step 2: Convert to fraction form
    119,001.66/178,495.88 = 87,013.52/x
  3. Step 3: Cross multiply
    119,001.66x = 178,495.88 × 87,013.52
  4. Step 4: Simplify right side
    119,001.66x = 15,531,553,908.82
  5. Step 5: Solve for x
    x = 15,531,553,908.82/119,001.66
  6. Step 6: Final answer
    x = 130,515.44

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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.