Home / 100,675.02-151,013.42-30,554.32

Finding the Fourth Proportional to 100,675.02, 151,013.42 and 30,554.32

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Solution

The fourth proportional to 100,675.02, 151,013.42 and 30,554.32 is: 45,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,675.02 : 151,013.42 = 30,554.32 : x
  2. Step 2: Convert to fraction form
    100,675.02/151,013.42 = 30,554.32/x
  3. Step 3: Cross multiply
    100,675.02x = 151,013.42 × 30,554.32
  4. Step 4: Simplify right side
    100,675.02x = 4,614,112,358.97
  5. Step 5: Solve for x
    x = 4,614,112,358.97/100,675.02
  6. Step 6: Final answer
    x = 45,831.75

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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.