Home / 141,368.01-195,089.70-77,705.25

Finding the Fourth Proportional to 141,368.01, 195,089.70 and 77,705.25

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Solution

The fourth proportional to 141,368.01, 195,089.70 and 77,705.25 is: 107,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,368.01 : 195,089.70 = 77,705.25 : x
  2. Step 2: Convert to fraction form
    141,368.01/195,089.70 = 77,705.25/x
  3. Step 3: Cross multiply
    141,368.01x = 195,089.70 × 77,705.25
  4. Step 4: Simplify right side
    141,368.01x = 15,159,493,910.93
  5. Step 5: Solve for x
    x = 15,159,493,910.93/141,368.01
  6. Step 6: Final answer
    x = 107,234.26

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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.