Home / 151,230.07-226,896.40-66,978.91

Finding the Fourth Proportional to 151,230.07, 226,896.40 and 66,978.91

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Solution

The fourth proportional to 151,230.07, 226,896.40 and 66,978.91 is: 100,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230.07 : 226,896.40 = 66,978.91 : x
  2. Step 2: Convert to fraction form
    151,230.07/226,896.40 = 66,978.91/x
  3. Step 3: Cross multiply
    151,230.07x = 226,896.40 × 66,978.91
  4. Step 4: Simplify right side
    151,230.07x = 15,197,272,420.44
  5. Step 5: Solve for x
    x = 15,197,272,420.44/151,230.07
  6. Step 6: Final answer
    x = 100,491.08

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1.5x scale

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.