Home / 136,492.49-188,357.10-76,061.84

Finding the Fourth Proportional to 136,492.49, 188,357.10 and 76,061.84

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Solution

The fourth proportional to 136,492.49, 188,357.10 and 76,061.84 is: 104,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,492.49 : 188,357.10 = 76,061.84 : x
  2. Step 2: Convert to fraction form
    136,492.49/188,357.10 = 76,061.84/x
  3. Step 3: Cross multiply
    136,492.49x = 188,357.10 × 76,061.84
  4. Step 4: Simplify right side
    136,492.49x = 14,326,786,376.05
  5. Step 5: Solve for x
    x = 14,326,786,376.05/136,492.49
  6. Step 6: Final answer
    x = 104,963.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.