Home / 136,609.89-204,865.61-57,730.26

Finding the Fourth Proportional to 136,609.89, 204,865.61 and 57,730.26

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Solution

The fourth proportional to 136,609.89, 204,865.61 and 57,730.26 is: 86,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,609.89 : 204,865.61 = 57,730.26 : x
  2. Step 2: Convert to fraction form
    136,609.89/204,865.61 = 57,730.26/x
  3. Step 3: Cross multiply
    136,609.89x = 204,865.61 × 57,730.26
  4. Step 4: Simplify right side
    136,609.89x = 11,826,944,641.71
  5. Step 5: Solve for x
    x = 11,826,944,641.71/136,609.89
  6. Step 6: Final answer
    x = 86,574.59

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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.