Home / 170,213.94-255,547.08-145,413.36

Finding the Fourth Proportional to 170,213.94, 255,547.08 and 145,413.36

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Solution

The fourth proportional to 170,213.94, 255,547.08 and 145,413.36 is: 218,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,213.94 : 255,547.08 = 145,413.36 : x
  2. Step 2: Convert to fraction form
    170,213.94/255,547.08 = 145,413.36/x
  3. Step 3: Cross multiply
    170,213.94x = 255,547.08 × 145,413.36
  4. Step 4: Simplify right side
    170,213.94x = 37,159,959,540.99
  5. Step 5: Solve for x
    x = 37,159,959,540.99/170,213.94
  6. Step 6: Final answer
    x = 218,313.26

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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.