Home / 152,390.06-210,310.13-84,413.36

Finding the Fourth Proportional to 152,390.06, 210,310.13 and 84,413.36

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Solution

The fourth proportional to 152,390.06, 210,310.13 and 84,413.36 is: 116,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,390.06 : 210,310.13 = 84,413.36 : x
  2. Step 2: Convert to fraction form
    152,390.06/210,310.13 = 84,413.36/x
  3. Step 3: Cross multiply
    152,390.06x = 210,310.13 × 84,413.36
  4. Step 4: Simplify right side
    152,390.06x = 17,752,983,241.72
  5. Step 5: Solve for x
    x = 17,752,983,241.72/152,390.06
  6. Step 6: Final answer
    x = 116,496.99

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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.