Home / 94,356.58-130,270.26-64,939

Finding the Fourth Proportional to 94,356.58, 130,270.26 and 64,939

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Solution

The fourth proportional to 94,356.58, 130,270.26 and 64,939 is: 89,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,356.58 : 130,270.26 = 64,939 : x
  2. Step 2: Convert to fraction form
    94,356.58/130,270.26 = 64,939/x
  3. Step 3: Cross multiply
    94,356.58x = 130,270.26 × 64,939
  4. Step 4: Simplify right side
    94,356.58x = 8,459,620,414.14
  5. Step 5: Solve for x
    x = 8,459,620,414.14/94,356.58
  6. Step 6: Final answer
    x = 89,655.86

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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.