Home / 136,977.47-205,520.69-52,715.01

Finding the Fourth Proportional to 136,977.47, 205,520.69 and 52,715.01

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Solution

The fourth proportional to 136,977.47, 205,520.69 and 52,715.01 is: 79,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,977.47 : 205,520.69 = 52,715.01 : x
  2. Step 2: Convert to fraction form
    136,977.47/205,520.69 = 52,715.01/x
  3. Step 3: Cross multiply
    136,977.47x = 205,520.69 × 52,715.01
  4. Step 4: Simplify right side
    136,977.47x = 10,834,025,228.56
  5. Step 5: Solve for x
    x = 10,834,025,228.56/136,977.47
  6. Step 6: Final answer
    x = 79,093.48

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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.