Home / 105,984.63-158,858.55-45,943.81

Finding the Fourth Proportional to 105,984.63, 158,858.55 and 45,943.81

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Solution

The fourth proportional to 105,984.63, 158,858.55 and 45,943.81 is: 68,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.63 : 158,858.55 = 45,943.81 : x
  2. Step 2: Convert to fraction form
    105,984.63/158,858.55 = 45,943.81/x
  3. Step 3: Cross multiply
    105,984.63x = 158,858.55 × 45,943.81
  4. Step 4: Simplify right side
    105,984.63x = 7,298,566,640.93
  5. Step 5: Solve for x
    x = 7,298,566,640.93/105,984.63
  6. Step 6: Final answer
    x = 68,864.39

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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.