Home / 147,334.80-220,856.40-72,393.60

Finding the Fourth Proportional to 147,334.80, 220,856.40 and 72,393.60

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Solution

The fourth proportional to 147,334.80, 220,856.40 and 72,393.60 is: 108,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,334.80 : 220,856.40 = 72,393.60 : x
  2. Step 2: Convert to fraction form
    147,334.80/220,856.40 = 72,393.60/x
  3. Step 3: Cross multiply
    147,334.80x = 220,856.40 × 72,393.60
  4. Step 4: Simplify right side
    147,334.80x = 15,988,589,879.04
  5. Step 5: Solve for x
    x = 15,988,589,879.04/147,334.80
  6. Step 6: Final answer
    x = 108,518.76

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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.