Home / 100,858.02-151,287.84-34,313.28

Finding the Fourth Proportional to 100,858.02, 151,287.84 and 34,313.28

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Solution

The fourth proportional to 100,858.02, 151,287.84 and 34,313.28 is: 51,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,858.02 : 151,287.84 = 34,313.28 : x
  2. Step 2: Convert to fraction form
    100,858.02/151,287.84 = 34,313.28/x
  3. Step 3: Cross multiply
    100,858.02x = 151,287.84 × 34,313.28
  4. Step 4: Simplify right side
    100,858.02x = 5,191,182,014.52
  5. Step 5: Solve for x
    x = 5,191,182,014.52/100,858.02
  6. Step 6: Final answer
    x = 51,470.20

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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.