Home / 91,372.29-126,109.32-53,154

Finding the Fourth Proportional to 91,372.29, 126,109.32 and 53,154

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Solution

The fourth proportional to 91,372.29, 126,109.32 and 53,154 is: 73,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,372.29 : 126,109.32 = 53,154 : x
  2. Step 2: Convert to fraction form
    91,372.29/126,109.32 = 53,154/x
  3. Step 3: Cross multiply
    91,372.29x = 126,109.32 × 53,154
  4. Step 4: Simplify right side
    91,372.29x = 6,703,214,795.28
  5. Step 5: Solve for x
    x = 6,703,214,795.28/91,372.29
  6. Step 6: Final answer
    x = 73,361.57

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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.