Home / 136,417.60-204,626.40-94,427.20

Finding the Fourth Proportional to 136,417.60, 204,626.40 and 94,427.20

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Solution

The fourth proportional to 136,417.60, 204,626.40 and 94,427.20 is: 141,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,417.60 : 204,626.40 = 94,427.20 : x
  2. Step 2: Convert to fraction form
    136,417.60/204,626.40 = 94,427.20/x
  3. Step 3: Cross multiply
    136,417.60x = 204,626.40 × 94,427.20
  4. Step 4: Simplify right side
    136,417.60x = 19,322,297,998.08
  5. Step 5: Solve for x
    x = 19,322,297,998.08/136,417.60
  6. Step 6: Final answer
    x = 141,640.80

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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.