Home / 145,956.06-218,934.09-112,724.60

Finding the Fourth Proportional to 145,956.06, 218,934.09 and 112,724.60

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Solution

The fourth proportional to 145,956.06, 218,934.09 and 112,724.60 is: 169,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,956.06 : 218,934.09 = 112,724.60 : x
  2. Step 2: Convert to fraction form
    145,956.06/218,934.09 = 112,724.60/x
  3. Step 3: Cross multiply
    145,956.06x = 218,934.09 × 112,724.60
  4. Step 4: Simplify right side
    145,956.06x = 24,679,256,626.94
  5. Step 5: Solve for x
    x = 24,679,256,626.94/145,956.06
  6. Step 6: Final answer
    x = 169,086.89

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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.