Home / 143,191.32-214,792.68-38,011.20

Finding the Fourth Proportional to 143,191.32, 214,792.68 and 38,011.20

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Solution

The fourth proportional to 143,191.32, 214,792.68 and 38,011.20 is: 57,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,191.32 : 214,792.68 = 38,011.20 : x
  2. Step 2: Convert to fraction form
    143,191.32/214,792.68 = 38,011.20/x
  3. Step 3: Cross multiply
    143,191.32x = 214,792.68 × 38,011.20
  4. Step 4: Simplify right side
    143,191.32x = 8,164,527,518.02
  5. Step 5: Solve for x
    x = 8,164,527,518.02/143,191.32
  6. Step 6: Final answer
    x = 57,018.31

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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.