Home / 136,245.60-204,284.08-57,319.20

Finding the Fourth Proportional to 136,245.60, 204,284.08 and 57,319.20

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Solution

The fourth proportional to 136,245.60, 204,284.08 and 57,319.20 is: 85,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.60 : 204,284.08 = 57,319.20 : x
  2. Step 2: Convert to fraction form
    136,245.60/204,284.08 = 57,319.20/x
  3. Step 3: Cross multiply
    136,245.60x = 204,284.08 × 57,319.20
  4. Step 4: Simplify right side
    136,245.60x = 11,709,400,038.34
  5. Step 5: Solve for x
    x = 11,709,400,038.34/136,245.60
  6. Step 6: Final answer
    x = 85,943.33

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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.