Home / 142,632.96-213,887.04-67,774.56

Finding the Fourth Proportional to 142,632.96, 213,887.04 and 67,774.56

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Solution

The fourth proportional to 142,632.96, 213,887.04 and 67,774.56 is: 101,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,632.96 : 213,887.04 = 67,774.56 : x
  2. Step 2: Convert to fraction form
    142,632.96/213,887.04 = 67,774.56/x
  3. Step 3: Cross multiply
    142,632.96x = 213,887.04 × 67,774.56
  4. Step 4: Simplify right side
    142,632.96x = 14,496,100,025.70
  5. Step 5: Solve for x
    x = 14,496,100,025.70/142,632.96
  6. Step 6: Final answer
    x = 101,632.19

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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.