Home / 104,775.31-144,593.05-64,512.30

Finding the Fourth Proportional to 104,775.31, 144,593.05 and 64,512.30

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Solution

The fourth proportional to 104,775.31, 144,593.05 and 64,512.30 is: 89,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.31 : 144,593.05 = 64,512.30 : x
  2. Step 2: Convert to fraction form
    104,775.31/144,593.05 = 64,512.30/x
  3. Step 3: Cross multiply
    104,775.31x = 144,593.05 × 64,512.30
  4. Step 4: Simplify right side
    104,775.31x = 9,328,029,496.55
  5. Step 5: Solve for x
    x = 9,328,029,496.55/104,775.31
  6. Step 6: Final answer
    x = 89,028.89

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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.