Home / 133,621.60-184,413.36-77,035

Finding the Fourth Proportional to 133,621.60, 184,413.36 and 77,035

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Solution

The fourth proportional to 133,621.60, 184,413.36 and 77,035 is: 106,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.60 : 184,413.36 = 77,035 : x
  2. Step 2: Convert to fraction form
    133,621.60/184,413.36 = 77,035/x
  3. Step 3: Cross multiply
    133,621.60x = 184,413.36 × 77,035
  4. Step 4: Simplify right side
    133,621.60x = 14,206,283,187.60
  5. Step 5: Solve for x
    x = 14,206,283,187.60/133,621.60
  6. Step 6: Final answer
    x = 106,317.27

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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.