Home / 197,056.29-271,981.95-129,033.76

Finding the Fourth Proportional to 197,056.29, 271,981.95 and 129,033.76

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Solution

The fourth proportional to 197,056.29, 271,981.95 and 129,033.76 is: 178,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,056.29 : 271,981.95 = 129,033.76 : x
  2. Step 2: Convert to fraction form
    197,056.29/271,981.95 = 129,033.76/x
  3. Step 3: Cross multiply
    197,056.29x = 271,981.95 × 129,033.76
  4. Step 4: Simplify right side
    197,056.29x = 35,094,854,000.61
  5. Step 5: Solve for x
    x = 35,094,854,000.61/197,056.29
  6. Step 6: Final answer
    x = 178,095.58

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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.