Home / 136,221.29-204,329.88-61,288.52

Finding the Fourth Proportional to 136,221.29, 204,329.88 and 61,288.52

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Solution

The fourth proportional to 136,221.29, 204,329.88 and 61,288.52 is: 91,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,221.29 : 204,329.88 = 61,288.52 : x
  2. Step 2: Convert to fraction form
    136,221.29/204,329.88 = 61,288.52/x
  3. Step 3: Cross multiply
    136,221.29x = 204,329.88 × 61,288.52
  4. Step 4: Simplify right side
    136,221.29x = 12,523,075,936.98
  5. Step 5: Solve for x
    x = 12,523,075,936.98/136,221.29
  6. Step 6: Final answer
    x = 91,931.86

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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.