Home / 161,565.32-242,397.44-82,735.36

Finding the Fourth Proportional to 161,565.32, 242,397.44 and 82,735.36

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Solution

The fourth proportional to 161,565.32, 242,397.44 and 82,735.36 is: 124,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.32 : 242,397.44 = 82,735.36 : x
  2. Step 2: Convert to fraction form
    161,565.32/242,397.44 = 82,735.36/x
  3. Step 3: Cross multiply
    161,565.32x = 242,397.44 × 82,735.36
  4. Step 4: Simplify right side
    161,565.32x = 20,054,839,461.48
  5. Step 5: Solve for x
    x = 20,054,839,461.48/161,565.32
  6. Step 6: Final answer
    x = 124,128.37

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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.