Home / 101,036.02-139,489.44-89,827

Finding the Fourth Proportional to 101,036.02, 139,489.44 and 89,827

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Solution

The fourth proportional to 101,036.02, 139,489.44 and 89,827 is: 124,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,036.02 : 139,489.44 = 89,827 : x
  2. Step 2: Convert to fraction form
    101,036.02/139,489.44 = 89,827/x
  3. Step 3: Cross multiply
    101,036.02x = 139,489.44 × 89,827
  4. Step 4: Simplify right side
    101,036.02x = 12,529,917,926.88
  5. Step 5: Solve for x
    x = 12,529,917,926.88/101,036.02
  6. Step 6: Final answer
    x = 124,014.37

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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.