Home / 92,972.08-139,458.36-36,825.40

Finding the Fourth Proportional to 92,972.08, 139,458.36 and 36,825.40

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Solution

The fourth proportional to 92,972.08, 139,458.36 and 36,825.40 is: 55,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.08 : 139,458.36 = 36,825.40 : x
  2. Step 2: Convert to fraction form
    92,972.08/139,458.36 = 36,825.40/x
  3. Step 3: Cross multiply
    92,972.08x = 139,458.36 × 36,825.40
  4. Step 4: Simplify right side
    92,972.08x = 5,135,609,890.34
  5. Step 5: Solve for x
    x = 5,135,609,890.34/92,972.08
  6. Step 6: Final answer
    x = 55,238.20

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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.