Home / 143,073.24-214,560.29-71,968.40

Finding the Fourth Proportional to 143,073.24, 214,560.29 and 71,968.40

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Solution

The fourth proportional to 143,073.24, 214,560.29 and 71,968.40 is: 107,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,073.24 : 214,560.29 = 71,968.40 : x
  2. Step 2: Convert to fraction form
    143,073.24/214,560.29 = 71,968.40/x
  3. Step 3: Cross multiply
    143,073.24x = 214,560.29 × 71,968.40
  4. Step 4: Simplify right side
    143,073.24x = 15,441,560,686.56
  5. Step 5: Solve for x
    x = 15,441,560,686.56/143,073.24
  6. Step 6: Final answer
    x = 107,927.67

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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.