Home / 136,865.35-187,502.40-131,748.31

Finding the Fourth Proportional to 136,865.35, 187,502.40 and 131,748.31

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Solution

The fourth proportional to 136,865.35, 187,502.40 and 131,748.31 is: 180,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,865.35 : 187,502.40 = 131,748.31 : x
  2. Step 2: Convert to fraction form
    136,865.35/187,502.40 = 131,748.31/x
  3. Step 3: Cross multiply
    136,865.35x = 187,502.40 × 131,748.31
  4. Step 4: Simplify right side
    136,865.35x = 24,703,124,320.94
  5. Step 5: Solve for x
    x = 24,703,124,320.94/136,865.35
  6. Step 6: Final answer
    x = 180,492.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.