Home / 141,386.21-195,116.70-76,859.79

Finding the Fourth Proportional to 141,386.21, 195,116.70 and 76,859.79

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Solution

The fourth proportional to 141,386.21, 195,116.70 and 76,859.79 is: 106,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,386.21 : 195,116.70 = 76,859.79 : x
  2. Step 2: Convert to fraction form
    141,386.21/195,116.70 = 76,859.79/x
  3. Step 3: Cross multiply
    141,386.21x = 195,116.70 × 76,859.79
  4. Step 4: Simplify right side
    141,386.21x = 14,996,628,587.49
  5. Step 5: Solve for x
    x = 14,996,628,587.49/141,386.21
  6. Step 6: Final answer
    x = 106,068.54

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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.