Home / 143,260.02-214,916.40-47,202.66

Finding the Fourth Proportional to 143,260.02, 214,916.40 and 47,202.66

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Solution

The fourth proportional to 143,260.02, 214,916.40 and 47,202.66 is: 70,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,260.02 : 214,916.40 = 47,202.66 : x
  2. Step 2: Convert to fraction form
    143,260.02/214,916.40 = 47,202.66/x
  3. Step 3: Cross multiply
    143,260.02x = 214,916.40 × 47,202.66
  4. Step 4: Simplify right side
    143,260.02x = 10,144,625,757.62
  5. Step 5: Solve for x
    x = 10,144,625,757.62/143,260.02
  6. Step 6: Final answer
    x = 70,812.68

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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.