Home / 136,368.73-204,498.42-80,223.58

Finding the Fourth Proportional to 136,368.73, 204,498.42 and 80,223.58

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Solution

The fourth proportional to 136,368.73, 204,498.42 and 80,223.58 is: 120,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.73 : 204,498.42 = 80,223.58 : x
  2. Step 2: Convert to fraction form
    136,368.73/204,498.42 = 80,223.58/x
  3. Step 3: Cross multiply
    136,368.73x = 204,498.42 × 80,223.58
  4. Step 4: Simplify right side
    136,368.73x = 16,405,595,762.79
  5. Step 5: Solve for x
    x = 16,405,595,762.79/136,368.73
  6. Step 6: Final answer
    x = 120,303.21

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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.