Home / 136,124.20-204,259.20-57,246.40

Finding the Fourth Proportional to 136,124.20, 204,259.20 and 57,246.40

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Solution

The fourth proportional to 136,124.20, 204,259.20 and 57,246.40 is: 85,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,124.20 : 204,259.20 = 57,246.40 : x
  2. Step 2: Convert to fraction form
    136,124.20/204,259.20 = 57,246.40/x
  3. Step 3: Cross multiply
    136,124.20x = 204,259.20 × 57,246.40
  4. Step 4: Simplify right side
    136,124.20x = 11,693,103,866.88
  5. Step 5: Solve for x
    x = 11,693,103,866.88/136,124.20
  6. Step 6: Final answer
    x = 85,900.26

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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.