Home / 77,204.34-115,687.44-52,146.18

Finding the Fourth Proportional to 77,204.34, 115,687.44 and 52,146.18

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Solution

The fourth proportional to 77,204.34, 115,687.44 and 52,146.18 is: 78,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204.34 : 115,687.44 = 52,146.18 : x
  2. Step 2: Convert to fraction form
    77,204.34/115,687.44 = 52,146.18/x
  3. Step 3: Cross multiply
    77,204.34x = 115,687.44 × 52,146.18
  4. Step 4: Simplify right side
    77,204.34x = 6,032,658,069.98
  5. Step 5: Solve for x
    x = 6,032,658,069.98/77,204.34
  6. Step 6: Final answer
    x = 78,138.85

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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.