Home / 204,362.61-306,545.64-71,242.62

Finding the Fourth Proportional to 204,362.61, 306,545.64 and 71,242.62

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Solution

The fourth proportional to 204,362.61, 306,545.64 and 71,242.62 is: 106,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,362.61 : 306,545.64 = 71,242.62 : x
  2. Step 2: Convert to fraction form
    204,362.61/306,545.64 = 71,242.62/x
  3. Step 3: Cross multiply
    204,362.61x = 306,545.64 × 71,242.62
  4. Step 4: Simplify right side
    204,362.61x = 21,839,114,543.18
  5. Step 5: Solve for x
    x = 21,839,114,543.18/204,362.61
  6. Step 6: Final answer
    x = 106,864.53

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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.