Home / 119,176.21-164,289.95-83,254.73

Finding the Fourth Proportional to 119,176.21, 164,289.95 and 83,254.73

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Solution

The fourth proportional to 119,176.21, 164,289.95 and 83,254.73 is: 114,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.21 : 164,289.95 = 83,254.73 : x
  2. Step 2: Convert to fraction form
    119,176.21/164,289.95 = 83,254.73/x
  3. Step 3: Cross multiply
    119,176.21x = 164,289.95 × 83,254.73
  4. Step 4: Simplify right side
    119,176.21x = 13,677,915,428.96
  5. Step 5: Solve for x
    x = 13,677,915,428.96/119,176.21
  6. Step 6: Final answer
    x = 114,770.52

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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.