Home / 143,154.18-214,731.81-49,660.20

Finding the Fourth Proportional to 143,154.18, 214,731.81 and 49,660.20

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Solution

The fourth proportional to 143,154.18, 214,731.81 and 49,660.20 is: 74,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,154.18 : 214,731.81 = 49,660.20 : x
  2. Step 2: Convert to fraction form
    143,154.18/214,731.81 = 49,660.20/x
  3. Step 3: Cross multiply
    143,154.18x = 214,731.81 × 49,660.20
  4. Step 4: Simplify right side
    143,154.18x = 10,663,624,630.96
  5. Step 5: Solve for x
    x = 10,663,624,630.96/143,154.18
  6. Step 6: Final answer
    x = 74,490.49

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1.5x scale

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.