Home / 92,918.03-139,398.90-28,872.86

Finding the Fourth Proportional to 92,918.03, 139,398.90 and 28,872.86

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Solution

The fourth proportional to 92,918.03, 139,398.90 and 28,872.86 is: 43,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.03 : 139,398.90 = 28,872.86 : x
  2. Step 2: Convert to fraction form
    92,918.03/139,398.90 = 28,872.86/x
  3. Step 3: Cross multiply
    92,918.03x = 139,398.90 × 28,872.86
  4. Step 4: Simplify right side
    92,918.03x = 4,024,844,226.86
  5. Step 5: Solve for x
    x = 4,024,844,226.86/92,918.03
  6. Step 6: Final answer
    x = 43,316.08

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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.