Home / 130,088.18-195,161.43-54,187.94

Finding the Fourth Proportional to 130,088.18, 195,161.43 and 54,187.94

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Solution

The fourth proportional to 130,088.18, 195,161.43 and 54,187.94 is: 81,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,088.18 : 195,161.43 = 54,187.94 : x
  2. Step 2: Convert to fraction form
    130,088.18/195,161.43 = 54,187.94/x
  3. Step 3: Cross multiply
    130,088.18x = 195,161.43 × 54,187.94
  4. Step 4: Simplify right side
    130,088.18x = 10,575,395,859.15
  5. Step 5: Solve for x
    x = 10,575,395,859.15/130,088.18
  6. Step 6: Final answer
    x = 81,294.06

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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.