Home / 156,879.48-216,485.38-88,897.27

Finding the Fourth Proportional to 156,879.48, 216,485.38 and 88,897.27

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Solution

The fourth proportional to 156,879.48, 216,485.38 and 88,897.27 is: 122,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,879.48 : 216,485.38 = 88,897.27 : x
  2. Step 2: Convert to fraction form
    156,879.48/216,485.38 = 88,897.27/x
  3. Step 3: Cross multiply
    156,879.48x = 216,485.38 × 88,897.27
  4. Step 4: Simplify right side
    156,879.48x = 19,244,959,252.73
  5. Step 5: Solve for x
    x = 19,244,959,252.73/156,879.48
  6. Step 6: Final answer
    x = 122,673.52

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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.