Home / 145,629.21-201,030.51-97,910.25

Finding the Fourth Proportional to 145,629.21, 201,030.51 and 97,910.25

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Solution

The fourth proportional to 145,629.21, 201,030.51 and 97,910.25 is: 135,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,629.21 : 201,030.51 = 97,910.25 : x
  2. Step 2: Convert to fraction form
    145,629.21/201,030.51 = 97,910.25/x
  3. Step 3: Cross multiply
    145,629.21x = 201,030.51 × 97,910.25
  4. Step 4: Simplify right side
    145,629.21x = 19,682,947,491.73
  5. Step 5: Solve for x
    x = 19,682,947,491.73/145,629.21
  6. Step 6: Final answer
    x = 135,157.96

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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.