Home / 134,413.08-185,490.72-73,989.78

Finding the Fourth Proportional to 134,413.08, 185,490.72 and 73,989.78

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Solution

The fourth proportional to 134,413.08, 185,490.72 and 73,989.78 is: 102,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,413.08 : 185,490.72 = 73,989.78 : x
  2. Step 2: Convert to fraction form
    134,413.08/185,490.72 = 73,989.78/x
  3. Step 3: Cross multiply
    134,413.08x = 185,490.72 × 73,989.78
  4. Step 4: Simplify right side
    134,413.08x = 13,724,417,564.84
  5. Step 5: Solve for x
    x = 13,724,417,564.84/134,413.08
  6. Step 6: Final answer
    x = 102,106.26

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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.