Home / 106,441.47-146,883.69-66,154.37

Finding the Fourth Proportional to 106,441.47, 146,883.69 and 66,154.37

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Solution

The fourth proportional to 106,441.47, 146,883.69 and 66,154.37 is: 91,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,441.47 : 146,883.69 = 66,154.37 : x
  2. Step 2: Convert to fraction form
    106,441.47/146,883.69 = 66,154.37/x
  3. Step 3: Cross multiply
    106,441.47x = 146,883.69 × 66,154.37
  4. Step 4: Simplify right side
    106,441.47x = 9,716,997,240.81
  5. Step 5: Solve for x
    x = 9,716,997,240.81/106,441.47
  6. Step 6: Final answer
    x = 91,289.58

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1.5x scale

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.