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Finding the Fourth Proportional to 97,324.71, 134,493.74 and 70,189.84

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Solution

The fourth proportional to 97,324.71, 134,493.74 and 70,189.84 is: 96,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,324.71 : 134,493.74 = 70,189.84 : x
  2. Step 2: Convert to fraction form
    97,324.71/134,493.74 = 70,189.84/x
  3. Step 3: Cross multiply
    97,324.71x = 134,493.74 × 70,189.84
  4. Step 4: Simplify right side
    97,324.71x = 9,440,094,171.98
  5. Step 5: Solve for x
    x = 9,440,094,171.98/97,324.71
  6. Step 6: Final answer
    x = 96,995.87

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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.