Home / 119,563.32-178,901.96-87,996.72

Finding the Fourth Proportional to 119,563.32, 178,901.96 and 87,996.72

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Solution

The fourth proportional to 119,563.32, 178,901.96 and 87,996.72 is: 131,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,563.32 : 178,901.96 = 87,996.72 : x
  2. Step 2: Convert to fraction form
    119,563.32/178,901.96 = 87,996.72/x
  3. Step 3: Cross multiply
    119,563.32x = 178,901.96 × 87,996.72
  4. Step 4: Simplify right side
    119,563.32x = 15,742,785,681.57
  5. Step 5: Solve for x
    x = 15,742,785,681.57/119,563.32
  6. Step 6: Final answer
    x = 131,669.02

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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.