Home / 156,835.20-234,604.80-142,993.92

Finding the Fourth Proportional to 156,835.20, 234,604.80 and 142,993.92

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Solution

The fourth proportional to 156,835.20, 234,604.80 and 142,993.92 is: 213,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835.20 : 234,604.80 = 142,993.92 : x
  2. Step 2: Convert to fraction form
    156,835.20/234,604.80 = 142,993.92/x
  3. Step 3: Cross multiply
    156,835.20x = 234,604.80 × 142,993.92
  4. Step 4: Simplify right side
    156,835.20x = 33,547,060,002.82
  5. Step 5: Solve for x
    x = 33,547,060,002.82/156,835.20
  6. Step 6: Final answer
    x = 213,900.07

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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.