Home / 187,070.34-280,633.19-68,732.46

Finding the Fourth Proportional to 187,070.34, 280,633.19 and 68,732.46

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Solution

The fourth proportional to 187,070.34, 280,633.19 and 68,732.46 is: 103,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,070.34 : 280,633.19 = 68,732.46 : x
  2. Step 2: Convert to fraction form
    187,070.34/280,633.19 = 68,732.46/x
  3. Step 3: Cross multiply
    187,070.34x = 280,633.19 × 68,732.46
  4. Step 4: Simplify right side
    187,070.34x = 19,288,609,162.69
  5. Step 5: Solve for x
    x = 19,288,609,162.69/187,070.34
  6. Step 6: Final answer
    x = 103,108.86

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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.