Home / 214,043.29-295,381.92-129,143.95

Finding the Fourth Proportional to 214,043.29, 295,381.92 and 129,143.95

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Solution

The fourth proportional to 214,043.29, 295,381.92 and 129,143.95 is: 178,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,043.29 : 295,381.92 = 129,143.95 : x
  2. Step 2: Convert to fraction form
    214,043.29/295,381.92 = 129,143.95/x
  3. Step 3: Cross multiply
    214,043.29x = 295,381.92 × 129,143.95
  4. Step 4: Simplify right side
    214,043.29x = 38,146,788,225.09
  5. Step 5: Solve for x
    x = 38,146,788,225.09/214,043.29
  6. Step 6: Final answer
    x = 178,219.97

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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.