Home / 119,309.08-178,891.80-52,715.20

Finding the Fourth Proportional to 119,309.08, 178,891.80 and 52,715.20

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Solution

The fourth proportional to 119,309.08, 178,891.80 and 52,715.20 is: 79,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,309.08 : 178,891.80 = 52,715.20 : x
  2. Step 2: Convert to fraction form
    119,309.08/178,891.80 = 52,715.20/x
  3. Step 3: Cross multiply
    119,309.08x = 178,891.80 × 52,715.20
  4. Step 4: Simplify right side
    119,309.08x = 9,430,317,015.36
  5. Step 5: Solve for x
    x = 9,430,317,015.36/119,309.08
  6. Step 6: Final answer
    x = 79,041.07

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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.