Home / 136,212.79-204,375.48-60,271.51

Finding the Fourth Proportional to 136,212.79, 204,375.48 and 60,271.51

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Solution

The fourth proportional to 136,212.79, 204,375.48 and 60,271.51 is: 90,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.79 : 204,375.48 = 60,271.51 : x
  2. Step 2: Convert to fraction form
    136,212.79/204,375.48 = 60,271.51/x
  3. Step 3: Cross multiply
    136,212.79x = 204,375.48 × 60,271.51
  4. Step 4: Simplify right side
    136,212.79x = 12,318,018,786.57
  5. Step 5: Solve for x
    x = 12,318,018,786.57/136,212.79
  6. Step 6: Final answer
    x = 90,432.17

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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.