Home / 152,066.40-209,847.90-84,081.56

Finding the Fourth Proportional to 152,066.40, 209,847.90 and 84,081.56

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Solution

The fourth proportional to 152,066.40, 209,847.90 and 84,081.56 is: 116,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,066.40 : 209,847.90 = 84,081.56 : x
  2. Step 2: Convert to fraction form
    152,066.40/209,847.90 = 84,081.56/x
  3. Step 3: Cross multiply
    152,066.40x = 209,847.90 × 84,081.56
  4. Step 4: Simplify right side
    152,066.40x = 17,644,338,794.72
  5. Step 5: Solve for x
    x = 17,644,338,794.72/152,066.40
  6. Step 6: Final answer
    x = 116,030.49

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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.