Home / 119,187.05-178,628.58-55,867.50

Finding the Fourth Proportional to 119,187.05, 178,628.58 and 55,867.50

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Solution

The fourth proportional to 119,187.05, 178,628.58 and 55,867.50 is: 83,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,187.05 : 178,628.58 = 55,867.50 : x
  2. Step 2: Convert to fraction form
    119,187.05/178,628.58 = 55,867.50/x
  3. Step 3: Cross multiply
    119,187.05x = 178,628.58 × 55,867.50
  4. Step 4: Simplify right side
    119,187.05x = 9,979,532,193.15
  5. Step 5: Solve for x
    x = 9,979,532,193.15/119,187.05
  6. Step 6: Final answer
    x = 83,730.01

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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.