Home / 160,188.21-240,381.14-81,359.01

Finding the Fourth Proportional to 160,188.21, 240,381.14 and 81,359.01

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Solution

The fourth proportional to 160,188.21, 240,381.14 and 81,359.01 is: 122,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.21 : 240,381.14 = 81,359.01 : x
  2. Step 2: Convert to fraction form
    160,188.21/240,381.14 = 81,359.01/x
  3. Step 3: Cross multiply
    160,188.21x = 240,381.14 × 81,359.01
  4. Step 4: Simplify right side
    160,188.21x = 19,557,171,166.28
  5. Step 5: Solve for x
    x = 19,557,171,166.28/160,188.21
  6. Step 6: Final answer
    x = 122,088.71

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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.