Home / 156,689.94-234,515.16-142,682.34

Finding the Fourth Proportional to 156,689.94, 234,515.16 and 142,682.34

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Solution

The fourth proportional to 156,689.94, 234,515.16 and 142,682.34 is: 213,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,689.94 : 234,515.16 = 142,682.34 : x
  2. Step 2: Convert to fraction form
    156,689.94/234,515.16 = 142,682.34/x
  3. Step 3: Cross multiply
    156,689.94x = 234,515.16 × 142,682.34
  4. Step 4: Simplify right side
    156,689.94x = 33,461,171,794.27
  5. Step 5: Solve for x
    x = 33,461,171,794.27/156,689.94
  6. Step 6: Final answer
    x = 213,550.22

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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.