Home / 142,395.39-196,413.05-91,327.23

Finding the Fourth Proportional to 142,395.39, 196,413.05 and 91,327.23

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Solution

The fourth proportional to 142,395.39, 196,413.05 and 91,327.23 is: 125,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,395.39 : 196,413.05 = 91,327.23 : x
  2. Step 2: Convert to fraction form
    142,395.39/196,413.05 = 91,327.23/x
  3. Step 3: Cross multiply
    142,395.39x = 196,413.05 × 91,327.23
  4. Step 4: Simplify right side
    142,395.39x = 17,937,860,020.67
  5. Step 5: Solve for x
    x = 17,937,860,020.67/142,395.39
  6. Step 6: Final answer
    x = 125,972.20

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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.