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Finding the Fourth Proportional to 162,009.48, 242,992.88 and 48,154.86

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Solution

The fourth proportional to 162,009.48, 242,992.88 and 48,154.86 is: 72,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,009.48 : 242,992.88 = 48,154.86 : x
  2. Step 2: Convert to fraction form
    162,009.48/242,992.88 = 48,154.86/x
  3. Step 3: Cross multiply
    162,009.48x = 242,992.88 × 48,154.86
  4. Step 4: Simplify right side
    162,009.48x = 11,701,287,876.62
  5. Step 5: Solve for x
    x = 11,701,287,876.62/162,009.48
  6. Step 6: Final answer
    x = 72,225.95

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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.