Home / 119,303.28-178,943.40-60,115.44

Finding the Fourth Proportional to 119,303.28, 178,943.40 and 60,115.44

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Solution

The fourth proportional to 119,303.28, 178,943.40 and 60,115.44 is: 90,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,303.28 : 178,943.40 = 60,115.44 : x
  2. Step 2: Convert to fraction form
    119,303.28/178,943.40 = 60,115.44/x
  3. Step 3: Cross multiply
    119,303.28x = 178,943.40 × 60,115.44
  4. Step 4: Simplify right side
    119,303.28x = 10,757,261,226.10
  5. Step 5: Solve for x
    x = 10,757,261,226.10/119,303.28
  6. Step 6: Final answer
    x = 90,167.36

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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.