Home / 130,118.49-195,044.78-73,839.74

Finding the Fourth Proportional to 130,118.49, 195,044.78 and 73,839.74

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Solution

The fourth proportional to 130,118.49, 195,044.78 and 73,839.74 is: 110,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,118.49 : 195,044.78 = 73,839.74 : x
  2. Step 2: Convert to fraction form
    130,118.49/195,044.78 = 73,839.74/x
  3. Step 3: Cross multiply
    130,118.49x = 195,044.78 × 73,839.74
  4. Step 4: Simplify right side
    130,118.49x = 14,402,054,499.13
  5. Step 5: Solve for x
    x = 14,402,054,499.13/130,118.49
  6. Step 6: Final answer
    x = 110,684.15

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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.