Home / 156,387.88-234,625.50-51,280.84

Finding the Fourth Proportional to 156,387.88, 234,625.50 and 51,280.84

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Solution

The fourth proportional to 156,387.88, 234,625.50 and 51,280.84 is: 76,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,387.88 : 234,625.50 = 51,280.84 : x
  2. Step 2: Convert to fraction form
    156,387.88/234,625.50 = 51,280.84/x
  3. Step 3: Cross multiply
    156,387.88x = 234,625.50 × 51,280.84
  4. Step 4: Simplify right side
    156,387.88x = 12,031,792,725.42
  5. Step 5: Solve for x
    x = 12,031,792,725.42/156,387.88
  6. Step 6: Final answer
    x = 76,935.58

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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.