Home / 103,977.09-156,034.85-56,604.14

Finding the Fourth Proportional to 103,977.09, 156,034.85 and 56,604.14

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Solution

The fourth proportional to 103,977.09, 156,034.85 and 56,604.14 is: 84,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.09 : 156,034.85 = 56,604.14 : x
  2. Step 2: Convert to fraction form
    103,977.09/156,034.85 = 56,604.14/x
  3. Step 3: Cross multiply
    103,977.09x = 156,034.85 × 56,604.14
  4. Step 4: Simplify right side
    103,977.09x = 8,832,218,494.28
  5. Step 5: Solve for x
    x = 8,832,218,494.28/103,977.09
  6. Step 6: Final answer
    x = 84,943.89

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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.