Home / 104,905.40-144,770.10-62,465.72

Finding the Fourth Proportional to 104,905.40, 144,770.10 and 62,465.72

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Solution

The fourth proportional to 104,905.40, 144,770.10 and 62,465.72 is: 86,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.40 : 144,770.10 = 62,465.72 : x
  2. Step 2: Convert to fraction form
    104,905.40/144,770.10 = 62,465.72/x
  3. Step 3: Cross multiply
    104,905.40x = 144,770.10 × 62,465.72
  4. Step 4: Simplify right side
    104,905.40x = 9,043,168,530.97
  5. Step 5: Solve for x
    x = 9,043,168,530.97/104,905.40
  6. Step 6: Final answer
    x = 86,203.08

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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.