Home / 161,934.14-242,421.44-120,002.45

Finding the Fourth Proportional to 161,934.14, 242,421.44 and 120,002.45

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Solution

The fourth proportional to 161,934.14, 242,421.44 and 120,002.45 is: 179,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,934.14 : 242,421.44 = 120,002.45 : x
  2. Step 2: Convert to fraction form
    161,934.14/242,421.44 = 120,002.45/x
  3. Step 3: Cross multiply
    161,934.14x = 242,421.44 × 120,002.45
  4. Step 4: Simplify right side
    161,934.14x = 29,091,164,920.41
  5. Step 5: Solve for x
    x = 29,091,164,920.41/161,934.14
  6. Step 6: Final answer
    x = 179,648.12

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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.