Home / 92,780.67-139,153.32-26,204.88

Finding the Fourth Proportional to 92,780.67, 139,153.32 and 26,204.88

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Solution

The fourth proportional to 92,780.67, 139,153.32 and 26,204.88 is: 39,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.67 : 139,153.32 = 26,204.88 : x
  2. Step 2: Convert to fraction form
    92,780.67/139,153.32 = 26,204.88/x
  3. Step 3: Cross multiply
    92,780.67x = 139,153.32 × 26,204.88
  4. Step 4: Simplify right side
    92,780.67x = 3,646,496,052.20
  5. Step 5: Solve for x
    x = 3,646,496,052.20/92,780.67
  6. Step 6: Final answer
    x = 39,302.33

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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.