Home / 136,289.19-204,460.53-47,545.59

Finding the Fourth Proportional to 136,289.19, 204,460.53 and 47,545.59

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Solution

The fourth proportional to 136,289.19, 204,460.53 and 47,545.59 is: 71,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.19 : 204,460.53 = 47,545.59 : x
  2. Step 2: Convert to fraction form
    136,289.19/204,460.53 = 47,545.59/x
  3. Step 3: Cross multiply
    136,289.19x = 204,460.53 × 47,545.59
  4. Step 4: Simplify right side
    136,289.19x = 9,721,196,530.56
  5. Step 5: Solve for x
    x = 9,721,196,530.56/136,289.19
  6. Step 6: Final answer
    x = 71,327.72

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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.