Home / 162,142.30-242,885.40-112,278.70

Finding the Fourth Proportional to 162,142.30, 242,885.40 and 112,278.70

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Solution

The fourth proportional to 162,142.30, 242,885.40 and 112,278.70 is: 168,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,142.30 : 242,885.40 = 112,278.70 : x
  2. Step 2: Convert to fraction form
    162,142.30/242,885.40 = 112,278.70/x
  3. Step 3: Cross multiply
    162,142.30x = 242,885.40 × 112,278.70
  4. Step 4: Simplify right side
    162,142.30x = 27,270,856,960.98
  5. Step 5: Solve for x
    x = 27,270,856,960.98/162,142.30
  6. Step 6: Final answer
    x = 168,190.89

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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.