Home / 207,645.95-286,554.09-122,762.27

Finding the Fourth Proportional to 207,645.95, 286,554.09 and 122,762.27

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Solution

The fourth proportional to 207,645.95, 286,554.09 and 122,762.27 is: 169,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,645.95 : 286,554.09 = 122,762.27 : x
  2. Step 2: Convert to fraction form
    207,645.95/286,554.09 = 122,762.27/x
  3. Step 3: Cross multiply
    207,645.95x = 286,554.09 × 122,762.27
  4. Step 4: Simplify right side
    207,645.95x = 35,178,030,566.18
  5. Step 5: Solve for x
    x = 35,178,030,566.18/207,645.95
  6. Step 6: Final answer
    x = 169,413.52

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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.