Home / 136,895.33-205,355.18-48,149.64

Finding the Fourth Proportional to 136,895.33, 205,355.18 and 48,149.64

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Solution

The fourth proportional to 136,895.33, 205,355.18 and 48,149.64 is: 72,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,895.33 : 205,355.18 = 48,149.64 : x
  2. Step 2: Convert to fraction form
    136,895.33/205,355.18 = 48,149.64/x
  3. Step 3: Cross multiply
    136,895.33x = 205,355.18 × 48,149.64
  4. Step 4: Simplify right side
    136,895.33x = 9,887,778,109.51
  5. Step 5: Solve for x
    x = 9,887,778,109.51/136,895.33
  6. Step 6: Final answer
    x = 72,228.75

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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.