Home / 136,139.73-204,219.32-36,299.40

Finding the Fourth Proportional to 136,139.73, 204,219.32 and 36,299.40

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Solution

The fourth proportional to 136,139.73, 204,219.32 and 36,299.40 is: 54,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,139.73 : 204,219.32 = 36,299.40 : x
  2. Step 2: Convert to fraction form
    136,139.73/204,219.32 = 36,299.40/x
  3. Step 3: Cross multiply
    136,139.73x = 204,219.32 × 36,299.40
  4. Step 4: Simplify right side
    136,139.73x = 7,413,038,602.91
  5. Step 5: Solve for x
    x = 7,413,038,602.91/136,139.73
  6. Step 6: Final answer
    x = 54,451.69

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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.