Home / 105,564.42-158,330.16-38,989.44

Finding the Fourth Proportional to 105,564.42, 158,330.16 and 38,989.44

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Solution

The fourth proportional to 105,564.42, 158,330.16 and 38,989.44 is: 58,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.42 : 158,330.16 = 38,989.44 : x
  2. Step 2: Convert to fraction form
    105,564.42/158,330.16 = 38,989.44/x
  3. Step 3: Cross multiply
    105,564.42x = 158,330.16 × 38,989.44
  4. Step 4: Simplify right side
    105,564.42x = 6,173,204,273.51
  5. Step 5: Solve for x
    x = 6,173,204,273.51/105,564.42
  6. Step 6: Final answer
    x = 58,478.08

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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.