Home / 162,511.08-243,563.67-112,190.34

Finding the Fourth Proportional to 162,511.08, 243,563.67 and 112,190.34

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Solution

The fourth proportional to 162,511.08, 243,563.67 and 112,190.34 is: 168,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511.08 : 243,563.67 = 112,190.34 : x
  2. Step 2: Convert to fraction form
    162,511.08/243,563.67 = 112,190.34/x
  3. Step 3: Cross multiply
    162,511.08x = 243,563.67 × 112,190.34
  4. Step 4: Simplify right side
    162,511.08x = 27,325,490,948.95
  5. Step 5: Solve for x
    x = 27,325,490,948.95/162,511.08
  6. Step 6: Final answer
    x = 168,145.40

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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.