Home / 101,388.02-152,126.49-48,118.47

Finding the Fourth Proportional to 101,388.02, 152,126.49 and 48,118.47

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Solution

The fourth proportional to 101,388.02, 152,126.49 and 48,118.47 is: 72,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,388.02 : 152,126.49 = 48,118.47 : x
  2. Step 2: Convert to fraction form
    101,388.02/152,126.49 = 48,118.47/x
  3. Step 3: Cross multiply
    101,388.02x = 152,126.49 × 48,118.47
  4. Step 4: Simplify right side
    101,388.02x = 7,320,094,515.74
  5. Step 5: Solve for x
    x = 7,320,094,515.74/101,388.02
  6. Step 6: Final answer
    x = 72,198.81

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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.