Home / 156,687.94-234,512.16-142,680.34

Finding the Fourth Proportional to 156,687.94, 234,512.16 and 142,680.34

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Solution

The fourth proportional to 156,687.94, 234,512.16 and 142,680.34 is: 213,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687.94 : 234,512.16 = 142,680.34 : x
  2. Step 2: Convert to fraction form
    156,687.94/234,512.16 = 142,680.34/x
  3. Step 3: Cross multiply
    156,687.94x = 234,512.16 × 142,680.34
  4. Step 4: Simplify right side
    156,687.94x = 33,460,274,722.93
  5. Step 5: Solve for x
    x = 33,460,274,722.93/156,687.94
  6. Step 6: Final answer
    x = 213,547.22

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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.