Home / 103,689.02-155,577.29-95,413.97

Finding the Fourth Proportional to 103,689.02, 155,577.29 and 95,413.97

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Solution

The fourth proportional to 103,689.02, 155,577.29 and 95,413.97 is: 143,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,689.02 : 155,577.29 = 95,413.97 : x
  2. Step 2: Convert to fraction form
    103,689.02/155,577.29 = 95,413.97/x
  3. Step 3: Cross multiply
    103,689.02x = 155,577.29 × 95,413.97
  4. Step 4: Simplify right side
    103,689.02x = 14,844,246,880.74
  5. Step 5: Solve for x
    x = 14,844,246,880.74/103,689.02
  6. Step 6: Final answer
    x = 143,161.22

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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.