Home / 106,826.73-147,577.19-84,315.21

Finding the Fourth Proportional to 106,826.73, 147,577.19 and 84,315.21

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Solution

The fourth proportional to 106,826.73, 147,577.19 and 84,315.21 is: 116,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,826.73 : 147,577.19 = 84,315.21 : x
  2. Step 2: Convert to fraction form
    106,826.73/147,577.19 = 84,315.21/x
  3. Step 3: Cross multiply
    106,826.73x = 147,577.19 × 84,315.21
  4. Step 4: Simplify right side
    106,826.73x = 12,443,001,344.48
  5. Step 5: Solve for x
    x = 12,443,001,344.48/106,826.73
  6. Step 6: Final answer
    x = 116,478.35

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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.