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Finding the Fourth Proportional to 95,112, 131,232.04 and 56,330.28

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Solution

The fourth proportional to 95,112, 131,232.04 and 56,330.28 is: 77,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,112 : 131,232.04 = 56,330.28 : x
  2. Step 2: Convert to fraction form
    95,112/131,232.04 = 56,330.28/x
  3. Step 3: Cross multiply
    95,112x = 131,232.04 × 56,330.28
  4. Step 4: Simplify right side
    95,112x = 7,392,337,558.17
  5. Step 5: Solve for x
    x = 7,392,337,558.17/95,112
  6. Step 6: Final answer
    x = 77,722.45

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1.5x scale

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.