Home / 97,942.43-135,110.81-63,970.81

Finding the Fourth Proportional to 97,942.43, 135,110.81 and 63,970.81

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Solution

The fourth proportional to 97,942.43, 135,110.81 and 63,970.81 is: 88,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,942.43 : 135,110.81 = 63,970.81 : x
  2. Step 2: Convert to fraction form
    97,942.43/135,110.81 = 63,970.81/x
  3. Step 3: Cross multiply
    97,942.43x = 135,110.81 × 63,970.81
  4. Step 4: Simplify right side
    97,942.43x = 8,643,147,777.61
  5. Step 5: Solve for x
    x = 8,643,147,777.61/97,942.43
  6. Step 6: Final answer
    x = 88,247.22

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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.