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Finding the Fourth Proportional to 194,977.60, 292,239.60 and 89,807.20

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Solution

The fourth proportional to 194,977.60, 292,239.60 and 89,807.20 is: 134,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,977.60 : 292,239.60 = 89,807.20 : x
  2. Step 2: Convert to fraction form
    194,977.60/292,239.60 = 89,807.20/x
  3. Step 3: Cross multiply
    194,977.60x = 292,239.60 × 89,807.20
  4. Step 4: Simplify right side
    194,977.60x = 26,245,220,205.12
  5. Step 5: Solve for x
    x = 26,245,220,205.12/194,977.60
  6. Step 6: Final answer
    x = 134,606.34

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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.