Home / 97,219.08-145,831.77-30,659.85

Finding the Fourth Proportional to 97,219.08, 145,831.77 and 30,659.85

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Solution

The fourth proportional to 97,219.08, 145,831.77 and 30,659.85 is: 45,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,219.08 : 145,831.77 = 30,659.85 : x
  2. Step 2: Convert to fraction form
    97,219.08/145,831.77 = 30,659.85/x
  3. Step 3: Cross multiply
    97,219.08x = 145,831.77 × 30,659.85
  4. Step 4: Simplify right side
    97,219.08x = 4,471,180,193.43
  5. Step 5: Solve for x
    x = 4,471,180,193.43/97,219.08
  6. Step 6: Final answer
    x = 45,990.77

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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.