Home / 156,634.02-216,151.70-88,649.76

Finding the Fourth Proportional to 156,634.02, 216,151.70 and 88,649.76

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Solution

The fourth proportional to 156,634.02, 216,151.70 and 88,649.76 is: 122,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.02 : 216,151.70 = 88,649.76 : x
  2. Step 2: Convert to fraction form
    156,634.02/216,151.70 = 88,649.76/x
  3. Step 3: Cross multiply
    156,634.02x = 216,151.70 × 88,649.76
  4. Step 4: Simplify right side
    156,634.02x = 19,161,796,328.59
  5. Step 5: Solve for x
    x = 19,161,796,328.59/156,634.02
  6. Step 6: Final answer
    x = 122,334.83

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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.