Home / 152,205.16-210,028.82-103,046.79

Finding the Fourth Proportional to 152,205.16, 210,028.82 and 103,046.79

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Solution

The fourth proportional to 152,205.16, 210,028.82 and 103,046.79 is: 142,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,205.16 : 210,028.82 = 103,046.79 : x
  2. Step 2: Convert to fraction form
    152,205.16/210,028.82 = 103,046.79/x
  3. Step 3: Cross multiply
    152,205.16x = 210,028.82 × 103,046.79
  4. Step 4: Simplify right side
    152,205.16x = 21,642,795,708.49
  5. Step 5: Solve for x
    x = 21,642,795,708.49/152,205.16
  6. Step 6: Final answer
    x = 142,194.89

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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.