Home / 156,092.07-215,407.03-84,472.09

Finding the Fourth Proportional to 156,092.07, 215,407.03 and 84,472.09

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Solution

The fourth proportional to 156,092.07, 215,407.03 and 84,472.09 is: 116,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.07 : 215,407.03 = 84,472.09 : x
  2. Step 2: Convert to fraction form
    156,092.07/215,407.03 = 84,472.09/x
  3. Step 3: Cross multiply
    156,092.07x = 215,407.03 × 84,472.09
  4. Step 4: Simplify right side
    156,092.07x = 18,195,882,024.79
  5. Step 5: Solve for x
    x = 18,195,882,024.79/156,092.07
  6. Step 6: Final answer
    x = 116,571.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.