Home / 161,925.68-242,830.17-68,438.72

Finding the Fourth Proportional to 161,925.68, 242,830.17 and 68,438.72

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Solution

The fourth proportional to 161,925.68, 242,830.17 and 68,438.72 is: 102,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,925.68 : 242,830.17 = 68,438.72 : x
  2. Step 2: Convert to fraction form
    161,925.68/242,830.17 = 68,438.72/x
  3. Step 3: Cross multiply
    161,925.68x = 242,830.17 × 68,438.72
  4. Step 4: Simplify right side
    161,925.68x = 16,618,986,619.26
  5. Step 5: Solve for x
    x = 16,618,986,619.26/161,925.68
  6. Step 6: Final answer
    x = 102,633.42

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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.