Home / 143,086.34-214,634.07-71,970.14

Finding the Fourth Proportional to 143,086.34, 214,634.07 and 71,970.14

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Solution

The fourth proportional to 143,086.34, 214,634.07 and 71,970.14 is: 107,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,086.34 : 214,634.07 = 71,970.14 : x
  2. Step 2: Convert to fraction form
    143,086.34/214,634.07 = 71,970.14/x
  3. Step 3: Cross multiply
    143,086.34x = 214,634.07 × 71,970.14
  4. Step 4: Simplify right side
    143,086.34x = 15,447,243,435.24
  5. Step 5: Solve for x
    x = 15,447,243,435.24/143,086.34
  6. Step 6: Final answer
    x = 107,957.50

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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.