Home / 104,579.55-144,275.31-64,280.43

Finding the Fourth Proportional to 104,579.55, 144,275.31 and 64,280.43

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Solution

The fourth proportional to 104,579.55, 144,275.31 and 64,280.43 is: 88,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.55 : 144,275.31 = 64,280.43 : x
  2. Step 2: Convert to fraction form
    104,579.55/144,275.31 = 64,280.43/x
  3. Step 3: Cross multiply
    104,579.55x = 144,275.31 × 64,280.43
  4. Step 4: Simplify right side
    104,579.55x = 9,274,078,965.18
  5. Step 5: Solve for x
    x = 9,274,078,965.18/104,579.55
  6. Step 6: Final answer
    x = 88,679.66

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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.