Home / 122,646.79-183,970.19-38,413.55

Finding the Fourth Proportional to 122,646.79, 183,970.19 and 38,413.55

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Solution

The fourth proportional to 122,646.79, 183,970.19 and 38,413.55 is: 57,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,646.79 : 183,970.19 = 38,413.55 : x
  2. Step 2: Convert to fraction form
    122,646.79/183,970.19 = 38,413.55/x
  3. Step 3: Cross multiply
    122,646.79x = 183,970.19 × 38,413.55
  4. Step 4: Simplify right side
    122,646.79x = 7,066,948,188.11
  5. Step 5: Solve for x
    x = 7,066,948,188.11/122,646.79
  6. Step 6: Final answer
    x = 57,620.33

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1.5x scale

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.