Home / 156,501.54-215,977.02-88,517.18

Finding the Fourth Proportional to 156,501.54, 215,977.02 and 88,517.18

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Solution

The fourth proportional to 156,501.54, 215,977.02 and 88,517.18 is: 122,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,501.54 : 215,977.02 = 88,517.18 : x
  2. Step 2: Convert to fraction form
    156,501.54/215,977.02 = 88,517.18/x
  3. Step 3: Cross multiply
    156,501.54x = 215,977.02 × 88,517.18
  4. Step 4: Simplify right side
    156,501.54x = 19,117,677,312.84
  5. Step 5: Solve for x
    x = 19,117,677,312.84/156,501.54
  6. Step 6: Final answer
    x = 122,156.48

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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.