Home / 130,157.82-195,066.09-74,023.74

Finding the Fourth Proportional to 130,157.82, 195,066.09 and 74,023.74

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Solution

The fourth proportional to 130,157.82, 195,066.09 and 74,023.74 is: 110,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,157.82 : 195,066.09 = 74,023.74 : x
  2. Step 2: Convert to fraction form
    130,157.82/195,066.09 = 74,023.74/x
  3. Step 3: Cross multiply
    130,157.82x = 195,066.09 × 74,023.74
  4. Step 4: Simplify right side
    130,157.82x = 14,439,521,528.98
  5. Step 5: Solve for x
    x = 14,439,521,528.98/130,157.82
  6. Step 6: Final answer
    x = 110,938.56

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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.