Home / 100,862.02-151,293.84-34,317.28

Finding the Fourth Proportional to 100,862.02, 151,293.84 and 34,317.28

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Solution

The fourth proportional to 100,862.02, 151,293.84 and 34,317.28 is: 51,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,862.02 : 151,293.84 = 34,317.28 : x
  2. Step 2: Convert to fraction form
    100,862.02/151,293.84 = 34,317.28/x
  3. Step 3: Cross multiply
    100,862.02x = 151,293.84 × 34,317.28
  4. Step 4: Simplify right side
    100,862.02x = 5,191,993,069.56
  5. Step 5: Solve for x
    x = 5,191,993,069.56/100,862.02
  6. Step 6: Final answer
    x = 51,476.20

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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.