Home / 100,927.47-139,273.23-60,617.28

Finding the Fourth Proportional to 100,927.47, 139,273.23 and 60,617.28

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Solution

The fourth proportional to 100,927.47, 139,273.23 and 60,617.28 is: 83,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927.47 : 139,273.23 = 60,617.28 : x
  2. Step 2: Convert to fraction form
    100,927.47/139,273.23 = 60,617.28/x
  3. Step 3: Cross multiply
    100,927.47x = 139,273.23 × 60,617.28
  4. Step 4: Simplify right side
    100,927.47x = 8,442,364,379.41
  5. Step 5: Solve for x
    x = 8,442,364,379.41/100,927.47
  6. Step 6: Final answer
    x = 83,647.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.