Home / 99,277.03-148,926.44-43,078.51

Finding the Fourth Proportional to 99,277.03, 148,926.44 and 43,078.51

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Solution

The fourth proportional to 99,277.03, 148,926.44 and 43,078.51 is: 64,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.03 : 148,926.44 = 43,078.51 : x
  2. Step 2: Convert to fraction form
    99,277.03/148,926.44 = 43,078.51/x
  3. Step 3: Cross multiply
    99,277.03x = 148,926.44 × 43,078.51
  4. Step 4: Simplify right side
    99,277.03x = 6,415,528,919.41
  5. Step 5: Solve for x
    x = 6,415,528,919.41/99,277.03
  6. Step 6: Final answer
    x = 64,622.49

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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.