Home / 147,866.35-221,869.46-76,751.18

Finding the Fourth Proportional to 147,866.35, 221,869.46 and 76,751.18

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Solution

The fourth proportional to 147,866.35, 221,869.46 and 76,751.18 is: 115,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,866.35 : 221,869.46 = 76,751.18 : x
  2. Step 2: Convert to fraction form
    147,866.35/221,869.46 = 76,751.18/x
  3. Step 3: Cross multiply
    147,866.35x = 221,869.46 × 76,751.18
  4. Step 4: Simplify right side
    147,866.35x = 17,028,742,860.96
  5. Step 5: Solve for x
    x = 17,028,742,860.96/147,866.35
  6. Step 6: Final answer
    x = 115,163.07

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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.