Home / 125,002.08-172,502.32-68,413.28

Finding the Fourth Proportional to 125,002.08, 172,502.32 and 68,413.28

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Solution

The fourth proportional to 125,002.08, 172,502.32 and 68,413.28 is: 94,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,002.08 : 172,502.32 = 68,413.28 : x
  2. Step 2: Convert to fraction form
    125,002.08/172,502.32 = 68,413.28/x
  3. Step 3: Cross multiply
    125,002.08x = 172,502.32 × 68,413.28
  4. Step 4: Simplify right side
    125,002.08x = 11,801,449,518.81
  5. Step 5: Solve for x
    x = 11,801,449,518.81/125,002.08
  6. Step 6: Final answer
    x = 94,410.03

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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.