Home / 134,354.34-185,413.41-77,004.65

Finding the Fourth Proportional to 134,354.34, 185,413.41 and 77,004.65

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Solution

The fourth proportional to 134,354.34, 185,413.41 and 77,004.65 is: 106,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,354.34 : 185,413.41 = 77,004.65 : x
  2. Step 2: Convert to fraction form
    134,354.34/185,413.41 = 77,004.65/x
  3. Step 3: Cross multiply
    134,354.34x = 185,413.41 × 77,004.65
  4. Step 4: Simplify right side
    134,354.34x = 14,277,695,205.89
  5. Step 5: Solve for x
    x = 14,277,695,205.89/134,354.34
  6. Step 6: Final answer
    x = 106,268.95

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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.