Home / 136,913.54-205,282.43-57,006.86

Finding the Fourth Proportional to 136,913.54, 205,282.43 and 57,006.86

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Solution

The fourth proportional to 136,913.54, 205,282.43 and 57,006.86 is: 85,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,913.54 : 205,282.43 = 57,006.86 : x
  2. Step 2: Convert to fraction form
    136,913.54/205,282.43 = 57,006.86/x
  3. Step 3: Cross multiply
    136,913.54x = 205,282.43 × 57,006.86
  4. Step 4: Simplify right side
    136,913.54x = 11,702,506,462.44
  5. Step 5: Solve for x
    x = 11,702,506,462.44/136,913.54
  6. Step 6: Final answer
    x = 85,473.70

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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.