Home / 119,022.36-178,532.73-30,275.07

Finding the Fourth Proportional to 119,022.36, 178,532.73 and 30,275.07

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Solution

The fourth proportional to 119,022.36, 178,532.73 and 30,275.07 is: 45,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,022.36 : 178,532.73 = 30,275.07 : x
  2. Step 2: Convert to fraction form
    119,022.36/178,532.73 = 30,275.07/x
  3. Step 3: Cross multiply
    119,022.36x = 178,532.73 × 30,275.07
  4. Step 4: Simplify right side
    119,022.36x = 5,405,090,898.04
  5. Step 5: Solve for x
    x = 5,405,090,898.04/119,022.36
  6. Step 6: Final answer
    x = 45,412.40

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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.