Home / 130,342.37-179,867.48-72,976.32

Finding the Fourth Proportional to 130,342.37, 179,867.48 and 72,976.32

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Solution

The fourth proportional to 130,342.37, 179,867.48 and 72,976.32 is: 100,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342.37 : 179,867.48 = 72,976.32 : x
  2. Step 2: Convert to fraction form
    130,342.37/179,867.48 = 72,976.32/x
  3. Step 3: Cross multiply
    130,342.37x = 179,867.48 × 72,976.32
  4. Step 4: Simplify right side
    130,342.37x = 13,126,066,413.19
  5. Step 5: Solve for x
    x = 13,126,066,413.19/130,342.37
  6. Step 6: Final answer
    x = 100,704.53

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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.