Home / 131,560.34-181,413.08-106,039.88

Finding the Fourth Proportional to 131,560.34, 181,413.08 and 106,039.88

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Solution

The fourth proportional to 131,560.34, 181,413.08 and 106,039.88 is: 146,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,560.34 : 181,413.08 = 106,039.88 : x
  2. Step 2: Convert to fraction form
    131,560.34/181,413.08 = 106,039.88/x
  3. Step 3: Cross multiply
    131,560.34x = 181,413.08 × 106,039.88
  4. Step 4: Simplify right side
    131,560.34x = 19,237,021,233.63
  5. Step 5: Solve for x
    x = 19,237,021,233.63/131,560.34
  6. Step 6: Final answer
    x = 146,222.04

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1.5x scale

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.