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Finding the Fourth Proportional to 105,953.56, 158,927.88 and 53,348.92

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Solution

The fourth proportional to 105,953.56, 158,927.88 and 53,348.92 is: 80,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,953.56 : 158,927.88 = 53,348.92 : x
  2. Step 2: Convert to fraction form
    105,953.56/158,927.88 = 53,348.92/x
  3. Step 3: Cross multiply
    105,953.56x = 158,927.88 × 53,348.92
  4. Step 4: Simplify right side
    105,953.56x = 8,478,630,755.89
  5. Step 5: Solve for x
    x = 8,478,630,755.89/105,953.56
  6. Step 6: Final answer
    x = 80,022.14

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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.