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Finding the Fourth Proportional to 169,983, 254,859.45 and 95,154.78

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Solution

The fourth proportional to 169,983, 254,859.45 and 95,154.78 is: 142,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,983 : 254,859.45 = 95,154.78 : x
  2. Step 2: Convert to fraction form
    169,983/254,859.45 = 95,154.78/x
  3. Step 3: Cross multiply
    169,983x = 254,859.45 × 95,154.78
  4. Step 4: Simplify right side
    169,983x = 24,251,094,895.67
  5. Step 5: Solve for x
    x = 24,251,094,895.67/169,983
  6. Step 6: Final answer
    x = 142,667.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.