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Finding the Fourth Proportional to 178,642.58, 246,517.48 and 106,048.49

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Solution

The fourth proportional to 178,642.58, 246,517.48 and 106,048.49 is: 146,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,642.58 : 246,517.48 = 106,048.49 : x
  2. Step 2: Convert to fraction form
    178,642.58/246,517.48 = 106,048.49/x
  3. Step 3: Cross multiply
    178,642.58x = 246,517.48 × 106,048.49
  4. Step 4: Simplify right side
    178,642.58x = 26,142,806,512.61
  5. Step 5: Solve for x
    x = 26,142,806,512.61/178,642.58
  6. Step 6: Final answer
    x = 146,341.41

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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.