Home / 68,177.37-102,282.21-21,430.29

Finding the Fourth Proportional to 68,177.37, 102,282.21 and 21,430.29

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Solution

The fourth proportional to 68,177.37, 102,282.21 and 21,430.29 is: 32,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.37 : 102,282.21 = 21,430.29 : x
  2. Step 2: Convert to fraction form
    68,177.37/102,282.21 = 21,430.29/x
  3. Step 3: Cross multiply
    68,177.37x = 102,282.21 × 21,430.29
  4. Step 4: Simplify right side
    68,177.37x = 2,191,937,422.14
  5. Step 5: Solve for x
    x = 2,191,937,422.14/68,177.37
  6. Step 6: Final answer
    x = 32,150.51

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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.