Home / 125,002.04-172,501.80-68,413.28

Finding the Fourth Proportional to 125,002.04, 172,501.80 and 68,413.28

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Solution

The fourth proportional to 125,002.04, 172,501.80 and 68,413.28 is: 94,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,002.04 : 172,501.80 = 68,413.28 : x
  2. Step 2: Convert to fraction form
    125,002.04/172,501.80 = 68,413.28/x
  3. Step 3: Cross multiply
    125,002.04x = 172,501.80 × 68,413.28
  4. Step 4: Simplify right side
    125,002.04x = 11,801,413,943.90
  5. Step 5: Solve for x
    x = 11,801,413,943.90/125,002.04
  6. Step 6: Final answer
    x = 94,409.77

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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.