Home / 147,575.70-221,363.55-47,805.30

Finding the Fourth Proportional to 147,575.70, 221,363.55 and 47,805.30

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Solution

The fourth proportional to 147,575.70, 221,363.55 and 47,805.30 is: 71,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,575.70 : 221,363.55 = 47,805.30 : x
  2. Step 2: Convert to fraction form
    147,575.70/221,363.55 = 47,805.30/x
  3. Step 3: Cross multiply
    147,575.70x = 221,363.55 × 47,805.30
  4. Step 4: Simplify right side
    147,575.70x = 10,582,350,916.82
  5. Step 5: Solve for x
    x = 10,582,350,916.82/147,575.70
  6. Step 6: Final answer
    x = 71,707.95

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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.