Home / 136,888.48-188,466.96-119,216.80

Finding the Fourth Proportional to 136,888.48, 188,466.96 and 119,216.80

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Solution

The fourth proportional to 136,888.48, 188,466.96 and 119,216.80 is: 164,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,888.48 : 188,466.96 = 119,216.80 : x
  2. Step 2: Convert to fraction form
    136,888.48/188,466.96 = 119,216.80/x
  3. Step 3: Cross multiply
    136,888.48x = 188,466.96 × 119,216.80
  4. Step 4: Simplify right side
    136,888.48x = 22,468,427,876.93
  5. Step 5: Solve for x
    x = 22,468,427,876.93/136,888.48
  6. Step 6: Final answer
    x = 164,136.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.