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Finding the Fourth Proportional to 162,947.40, 244,421.10 and 106,960.20

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Solution

The fourth proportional to 162,947.40, 244,421.10 and 106,960.20 is: 160,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,947.40 : 244,421.10 = 106,960.20 : x
  2. Step 2: Convert to fraction form
    162,947.40/244,421.10 = 106,960.20/x
  3. Step 3: Cross multiply
    162,947.40x = 244,421.10 × 106,960.20
  4. Step 4: Simplify right side
    162,947.40x = 26,143,329,740.22
  5. Step 5: Solve for x
    x = 26,143,329,740.22/162,947.40
  6. Step 6: Final answer
    x = 160,440.30

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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.