Home / 146,383.88-219,426.25-83,070.30

Finding the Fourth Proportional to 146,383.88, 219,426.25 and 83,070.30

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Solution

The fourth proportional to 146,383.88, 219,426.25 and 83,070.30 is: 124,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,383.88 : 219,426.25 = 83,070.30 : x
  2. Step 2: Convert to fraction form
    146,383.88/219,426.25 = 83,070.30/x
  3. Step 3: Cross multiply
    146,383.88x = 219,426.25 × 83,070.30
  4. Step 4: Simplify right side
    146,383.88x = 18,227,804,415.38
  5. Step 5: Solve for x
    x = 18,227,804,415.38/146,383.88
  6. Step 6: Final answer
    x = 124,520.57

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1.5x scale

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.