Home / 305,085.60-457,623.50-94,723.74

Finding the Fourth Proportional to 305,085.60, 457,623.50 and 94,723.74

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Solution

The fourth proportional to 305,085.60, 457,623.50 and 94,723.74 is: 142,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,085.60 : 457,623.50 = 94,723.74 : x
  2. Step 2: Convert to fraction form
    305,085.60/457,623.50 = 94,723.74/x
  3. Step 3: Cross multiply
    305,085.60x = 457,623.50 × 94,723.74
  4. Step 4: Simplify right side
    305,085.60x = 43,347,808,958.27
  5. Step 5: Solve for x
    x = 43,347,808,958.27/305,085.60
  6. Step 6: Final answer
    x = 142,084.09

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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.