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Finding the Fourth Proportional to 160,470.44, 240,728.06 and 66,954.76

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Solution

The fourth proportional to 160,470.44, 240,728.06 and 66,954.76 is: 100,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,470.44 : 240,728.06 = 66,954.76 : x
  2. Step 2: Convert to fraction form
    160,470.44/240,728.06 = 66,954.76/x
  3. Step 3: Cross multiply
    160,470.44x = 240,728.06 × 66,954.76
  4. Step 4: Simplify right side
    160,470.44x = 16,117,889,482.57
  5. Step 5: Solve for x
    x = 16,117,889,482.57/160,470.44
  6. Step 6: Final answer
    x = 100,441.49

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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.