Home / 141,707.10-195,551.79-77,174.88

Finding the Fourth Proportional to 141,707.10, 195,551.79 and 77,174.88

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Solution

The fourth proportional to 141,707.10, 195,551.79 and 77,174.88 is: 106,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.10 : 195,551.79 = 77,174.88 : x
  2. Step 2: Convert to fraction form
    141,707.10/195,551.79 = 77,174.88/x
  3. Step 3: Cross multiply
    141,707.10x = 195,551.79 × 77,174.88
  4. Step 4: Simplify right side
    141,707.10x = 15,091,685,555.47
  5. Step 5: Solve for x
    x = 15,091,685,555.47/141,707.10
  6. Step 6: Final answer
    x = 106,499.15

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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.