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Finding the Fourth Proportional to 129,853, 179,197.14 and 70,237

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Solution

The fourth proportional to 129,853, 179,197.14 and 70,237 is: 96,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853 : 179,197.14 = 70,237 : x
  2. Step 2: Convert to fraction form
    129,853/179,197.14 = 70,237/x
  3. Step 3: Cross multiply
    129,853x = 179,197.14 × 70,237
  4. Step 4: Simplify right side
    129,853x = 12,586,269,522.18
  5. Step 5: Solve for x
    x = 12,586,269,522.18/129,853
  6. Step 6: Final answer
    x = 96,927.06

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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.