Home / 148,513.90-204,930.30-84,855.82

Finding the Fourth Proportional to 148,513.90, 204,930.30 and 84,855.82

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Solution

The fourth proportional to 148,513.90, 204,930.30 and 84,855.82 is: 117,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,513.90 : 204,930.30 = 84,855.82 : x
  2. Step 2: Convert to fraction form
    148,513.90/204,930.30 = 84,855.82/x
  3. Step 3: Cross multiply
    148,513.90x = 204,930.30 × 84,855.82
  4. Step 4: Simplify right side
    148,513.90x = 17,389,528,649.35
  5. Step 5: Solve for x
    x = 17,389,528,649.35/148,513.90
  6. Step 6: Final answer
    x = 117,090.24

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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.