Home / 122,389.29-183,413.07-66,108.06

Finding the Fourth Proportional to 122,389.29, 183,413.07 and 66,108.06

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Solution

The fourth proportional to 122,389.29, 183,413.07 and 66,108.06 is: 99,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,389.29 : 183,413.07 = 66,108.06 : x
  2. Step 2: Convert to fraction form
    122,389.29/183,413.07 = 66,108.06/x
  3. Step 3: Cross multiply
    122,389.29x = 183,413.07 × 66,108.06
  4. Step 4: Simplify right side
    122,389.29x = 12,125,082,236.34
  5. Step 5: Solve for x
    x = 12,125,082,236.34/122,389.29
  6. Step 6: Final answer
    x = 99,069.80

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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.