Home / 98,868.42-136,329.09-63,001.62

Finding the Fourth Proportional to 98,868.42, 136,329.09 and 63,001.62

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Solution

The fourth proportional to 98,868.42, 136,329.09 and 63,001.62 is: 86,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.42 : 136,329.09 = 63,001.62 : x
  2. Step 2: Convert to fraction form
    98,868.42/136,329.09 = 63,001.62/x
  3. Step 3: Cross multiply
    98,868.42x = 136,329.09 × 63,001.62
  4. Step 4: Simplify right side
    98,868.42x = 8,588,953,523.13
  5. Step 5: Solve for x
    x = 8,588,953,523.13/98,868.42
  6. Step 6: Final answer
    x = 86,872.57

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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.