Home / 156,960.20-235,440.30-144,979.40

Finding the Fourth Proportional to 156,960.20, 235,440.30 and 144,979.40

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Solution

The fourth proportional to 156,960.20, 235,440.30 and 144,979.40 is: 217,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.20 : 235,440.30 = 144,979.40 : x
  2. Step 2: Convert to fraction form
    156,960.20/235,440.30 = 144,979.40/x
  3. Step 3: Cross multiply
    156,960.20x = 235,440.30 × 144,979.40
  4. Step 4: Simplify right side
    156,960.20x = 34,133,993,429.82
  5. Step 5: Solve for x
    x = 34,133,993,429.82/156,960.20
  6. Step 6: Final answer
    x = 217,469.10

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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.