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Finding the Fourth Proportional to 70,094.36, 105,141 and 17,503.49

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Solution

The fourth proportional to 70,094.36, 105,141 and 17,503.49 is: 26,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.36 : 105,141 = 17,503.49 : x
  2. Step 2: Convert to fraction form
    70,094.36/105,141 = 17,503.49/x
  3. Step 3: Cross multiply
    70,094.36x = 105,141 × 17,503.49
  4. Step 4: Simplify right side
    70,094.36x = 1,840,334,442.09
  5. Step 5: Solve for x
    x = 1,840,334,442.09/70,094.36
  6. Step 6: Final answer
    x = 26,255.10

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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.