Home / 130,072.98-195,109.40-36,578.72

Finding the Fourth Proportional to 130,072.98, 195,109.40 and 36,578.72

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Solution

The fourth proportional to 130,072.98, 195,109.40 and 36,578.72 is: 54,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,072.98 : 195,109.40 = 36,578.72 : x
  2. Step 2: Convert to fraction form
    130,072.98/195,109.40 = 36,578.72/x
  3. Step 3: Cross multiply
    130,072.98x = 195,109.40 × 36,578.72
  4. Step 4: Simplify right side
    130,072.98x = 7,136,852,111.97
  5. Step 5: Solve for x
    x = 7,136,852,111.97/130,072.98
  6. Step 6: Final answer
    x = 54,868.06

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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.