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Finding the Fourth Proportional to 169,904.16, 254,697.06 and 57,505.74

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Solution

The fourth proportional to 169,904.16, 254,697.06 and 57,505.74 is: 86,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,904.16 : 254,697.06 = 57,505.74 : x
  2. Step 2: Convert to fraction form
    169,904.16/254,697.06 = 57,505.74/x
  3. Step 3: Cross multiply
    169,904.16x = 254,697.06 × 57,505.74
  4. Step 4: Simplify right side
    169,904.16x = 14,646,542,911.12
  5. Step 5: Solve for x
    x = 14,646,542,911.12/169,904.16
  6. Step 6: Final answer
    x = 86,204.73

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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.