Home / 152,727.80-210,789.54-84,766.67

Finding the Fourth Proportional to 152,727.80, 210,789.54 and 84,766.67

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Solution

The fourth proportional to 152,727.80, 210,789.54 and 84,766.67 is: 116,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,727.80 : 210,789.54 = 84,766.67 : x
  2. Step 2: Convert to fraction form
    152,727.80/210,789.54 = 84,766.67/x
  3. Step 3: Cross multiply
    152,727.80x = 210,789.54 × 84,766.67
  4. Step 4: Simplify right side
    152,727.80x = 17,867,927,113.14
  5. Step 5: Solve for x
    x = 17,867,927,113.14/152,727.80
  6. Step 6: Final answer
    x = 116,991.98

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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.