Home / 92,384.40-138,544.20-47,996.40

Finding the Fourth Proportional to 92,384.40, 138,544.20 and 47,996.40

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Solution

The fourth proportional to 92,384.40, 138,544.20 and 47,996.40 is: 71,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,384.40 : 138,544.20 = 47,996.40 : x
  2. Step 2: Convert to fraction form
    92,384.40/138,544.20 = 47,996.40/x
  3. Step 3: Cross multiply
    92,384.40x = 138,544.20 × 47,996.40
  4. Step 4: Simplify right side
    92,384.40x = 6,649,622,840.88
  5. Step 5: Solve for x
    x = 6,649,622,840.88/92,384.40
  6. Step 6: Final answer
    x = 71,977.77

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1.5x scale

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.