Home / 156,971.46-216,616.02-88,994.70

Finding the Fourth Proportional to 156,971.46, 216,616.02 and 88,994.70

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Solution

The fourth proportional to 156,971.46, 216,616.02 and 88,994.70 is: 122,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.46 : 216,616.02 = 88,994.70 : x
  2. Step 2: Convert to fraction form
    156,971.46/216,616.02 = 88,994.70/x
  3. Step 3: Cross multiply
    156,971.46x = 216,616.02 × 88,994.70
  4. Step 4: Simplify right side
    156,971.46x = 19,277,677,715.09
  5. Step 5: Solve for x
    x = 19,277,677,715.09/156,971.46
  6. Step 6: Final answer
    x = 122,810.08

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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.