Home / 119,005.37-178,420.56-56,719.61

Finding the Fourth Proportional to 119,005.37, 178,420.56 and 56,719.61

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Solution

The fourth proportional to 119,005.37, 178,420.56 and 56,719.61 is: 85,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,005.37 : 178,420.56 = 56,719.61 : x
  2. Step 2: Convert to fraction form
    119,005.37/178,420.56 = 56,719.61/x
  3. Step 3: Cross multiply
    119,005.37x = 178,420.56 × 56,719.61
  4. Step 4: Simplify right side
    119,005.37x = 10,119,943,687.08
  5. Step 5: Solve for x
    x = 10,119,943,687.08/119,005.37
  6. Step 6: Final answer
    x = 85,037.71

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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.