Home / 136,518.20-204,704.40-57,543.20

Finding the Fourth Proportional to 136,518.20, 204,704.40 and 57,543.20

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Solution

The fourth proportional to 136,518.20, 204,704.40 and 57,543.20 is: 86,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.20 : 204,704.40 = 57,543.20 : x
  2. Step 2: Convert to fraction form
    136,518.20/204,704.40 = 57,543.20/x
  3. Step 3: Cross multiply
    136,518.20x = 204,704.40 × 57,543.20
  4. Step 4: Simplify right side
    136,518.20x = 11,779,346,230.08
  5. Step 5: Solve for x
    x = 11,779,346,230.08/136,518.20
  6. Step 6: Final answer
    x = 86,284.07

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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.