Home / 92,345.78-138,540.06-29,172.17

Finding the Fourth Proportional to 92,345.78, 138,540.06 and 29,172.17

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Solution

The fourth proportional to 92,345.78, 138,540.06 and 29,172.17 is: 43,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,345.78 : 138,540.06 = 29,172.17 : x
  2. Step 2: Convert to fraction form
    92,345.78/138,540.06 = 29,172.17/x
  3. Step 3: Cross multiply
    92,345.78x = 138,540.06 × 29,172.17
  4. Step 4: Simplify right side
    92,345.78x = 4,041,513,489.43
  5. Step 5: Solve for x
    x = 4,041,513,489.43/92,345.78
  6. Step 6: Final answer
    x = 43,765.01

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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.