Home / 130,185.42-179,334.60-111,002.70

Finding the Fourth Proportional to 130,185.42, 179,334.60 and 111,002.70

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Solution

The fourth proportional to 130,185.42, 179,334.60 and 111,002.70 is: 152,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,185.42 : 179,334.60 = 111,002.70 : x
  2. Step 2: Convert to fraction form
    130,185.42/179,334.60 = 111,002.70/x
  3. Step 3: Cross multiply
    130,185.42x = 179,334.60 × 111,002.70
  4. Step 4: Simplify right side
    130,185.42x = 19,906,624,803.42
  5. Step 5: Solve for x
    x = 19,906,624,803.42/130,185.42
  6. Step 6: Final answer
    x = 152,909.79

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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.