Home / 92,203.08-138,337.64-38,908.32

Finding the Fourth Proportional to 92,203.08, 138,337.64 and 38,908.32

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Solution

The fourth proportional to 92,203.08, 138,337.64 and 38,908.32 is: 58,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,203.08 : 138,337.64 = 38,908.32 : x
  2. Step 2: Convert to fraction form
    92,203.08/138,337.64 = 38,908.32/x
  3. Step 3: Cross multiply
    92,203.08x = 138,337.64 × 38,908.32
  4. Step 4: Simplify right side
    92,203.08x = 5,382,485,165.16
  5. Step 5: Solve for x
    x = 5,382,485,165.16/92,203.08
  6. Step 6: Final answer
    x = 58,376.41

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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.