Home / 107,515.02-161,206.92-44,315.58

Finding the Fourth Proportional to 107,515.02, 161,206.92 and 44,315.58

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Solution

The fourth proportional to 107,515.02, 161,206.92 and 44,315.58 is: 66,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.02 : 161,206.92 = 44,315.58 : x
  2. Step 2: Convert to fraction form
    107,515.02/161,206.92 = 44,315.58/x
  3. Step 3: Cross multiply
    107,515.02x = 161,206.92 × 44,315.58
  4. Step 4: Simplify right side
    107,515.02x = 7,143,978,159.81
  5. Step 5: Solve for x
    x = 7,143,978,159.81/107,515.02
  6. Step 6: Final answer
    x = 66,446.33

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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.