Home / 92,727.40-139,091.10-30,404.20

Finding the Fourth Proportional to 92,727.40, 139,091.10 and 30,404.20

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Solution

The fourth proportional to 92,727.40, 139,091.10 and 30,404.20 is: 45,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,727.40 : 139,091.10 = 30,404.20 : x
  2. Step 2: Convert to fraction form
    92,727.40/139,091.10 = 30,404.20/x
  3. Step 3: Cross multiply
    92,727.40x = 139,091.10 × 30,404.20
  4. Step 4: Simplify right side
    92,727.40x = 4,228,953,622.62
  5. Step 5: Solve for x
    x = 4,228,953,622.62/92,727.40
  6. Step 6: Final answer
    x = 45,606.30

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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.