Home / 135,009.10-202,513.65-97,830.10

Finding the Fourth Proportional to 135,009.10, 202,513.65 and 97,830.10

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Solution

The fourth proportional to 135,009.10, 202,513.65 and 97,830.10 is: 146,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,009.10 : 202,513.65 = 97,830.10 : x
  2. Step 2: Convert to fraction form
    135,009.10/202,513.65 = 97,830.10/x
  3. Step 3: Cross multiply
    135,009.10x = 202,513.65 × 97,830.10
  4. Step 4: Simplify right side
    135,009.10x = 19,811,930,630.87
  5. Step 5: Solve for x
    x = 19,811,930,630.87/135,009.10
  6. Step 6: Final answer
    x = 146,745.15

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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.