Home / 204,667.29-307,033.74-86,356.06

Finding the Fourth Proportional to 204,667.29, 307,033.74 and 86,356.06

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Solution

The fourth proportional to 204,667.29, 307,033.74 and 86,356.06 is: 129,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,667.29 : 307,033.74 = 86,356.06 : x
  2. Step 2: Convert to fraction form
    204,667.29/307,033.74 = 86,356.06/x
  3. Step 3: Cross multiply
    204,667.29x = 307,033.74 × 86,356.06
  4. Step 4: Simplify right side
    204,667.29x = 26,514,224,073.46
  5. Step 5: Solve for x
    x = 26,514,224,073.46/204,667.29
  6. Step 6: Final answer
    x = 129,547.93

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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.