Home / 164,971.27-247,437.46-129,920.95

Finding the Fourth Proportional to 164,971.27, 247,437.46 and 129,920.95

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Solution

The fourth proportional to 164,971.27, 247,437.46 and 129,920.95 is: 194,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,971.27 : 247,437.46 = 129,920.95 : x
  2. Step 2: Convert to fraction form
    164,971.27/247,437.46 = 129,920.95/x
  3. Step 3: Cross multiply
    164,971.27x = 247,437.46 × 129,920.95
  4. Step 4: Simplify right side
    164,971.27x = 32,147,309,868.79
  5. Step 5: Solve for x
    x = 32,147,309,868.79/164,971.27
  6. Step 6: Final answer
    x = 194,866.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.