Home / 245,174.50-338,345.25-136,289.02

Finding the Fourth Proportional to 245,174.50, 338,345.25 and 136,289.02

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Solution

The fourth proportional to 245,174.50, 338,345.25 and 136,289.02 is: 188,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,174.50 : 338,345.25 = 136,289.02 : x
  2. Step 2: Convert to fraction form
    245,174.50/338,345.25 = 136,289.02/x
  3. Step 3: Cross multiply
    245,174.50x = 338,345.25 × 136,289.02
  4. Step 4: Simplify right side
    245,174.50x = 46,112,742,544.16
  5. Step 5: Solve for x
    x = 46,112,742,544.16/245,174.50
  6. Step 6: Final answer
    x = 188,081.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.