Home / 134,867.68-202,425.80-68,355

Finding the Fourth Proportional to 134,867.68, 202,425.80 and 68,355

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Solution

The fourth proportional to 134,867.68, 202,425.80 and 68,355 is: 102,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.68 : 202,425.80 = 68,355 : x
  2. Step 2: Convert to fraction form
    134,867.68/202,425.80 = 68,355/x
  3. Step 3: Cross multiply
    134,867.68x = 202,425.80 × 68,355
  4. Step 4: Simplify right side
    134,867.68x = 13,836,815,559
  5. Step 5: Solve for x
    x = 13,836,815,559/134,867.68
  6. Step 6: Final answer
    x = 102,595.49

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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.