Home / 130,488.84-195,419.16-74,191.23

Finding the Fourth Proportional to 130,488.84, 195,419.16 and 74,191.23

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Solution

The fourth proportional to 130,488.84, 195,419.16 and 74,191.23 is: 111,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,488.84 : 195,419.16 = 74,191.23 : x
  2. Step 2: Convert to fraction form
    130,488.84/195,419.16 = 74,191.23/x
  3. Step 3: Cross multiply
    130,488.84x = 195,419.16 × 74,191.23
  4. Step 4: Simplify right side
    130,488.84x = 14,498,387,845.97
  5. Step 5: Solve for x
    x = 14,498,387,845.97/130,488.84
  6. Step 6: Final answer
    x = 111,108.26

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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.