Home / 136,363.81-204,320.17-69,712.25

Finding the Fourth Proportional to 136,363.81, 204,320.17 and 69,712.25

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Solution

The fourth proportional to 136,363.81, 204,320.17 and 69,712.25 is: 104,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.81 : 204,320.17 = 69,712.25 : x
  2. Step 2: Convert to fraction form
    136,363.81/204,320.17 = 69,712.25/x
  3. Step 3: Cross multiply
    136,363.81x = 204,320.17 × 69,712.25
  4. Step 4: Simplify right side
    136,363.81x = 14,243,618,260.28
  5. Step 5: Solve for x
    x = 14,243,618,260.28/136,363.81
  6. Step 6: Final answer
    x = 104,453.07

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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.