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Finding the Fourth Proportional to 106,480.26, 146,922.30 and 64,041.53

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Solution

The fourth proportional to 106,480.26, 146,922.30 and 64,041.53 is: 88,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,480.26 : 146,922.30 = 64,041.53 : x
  2. Step 2: Convert to fraction form
    106,480.26/146,922.30 = 64,041.53/x
  3. Step 3: Cross multiply
    106,480.26x = 146,922.30 × 64,041.53
  4. Step 4: Simplify right side
    106,480.26x = 9,409,128,148.51
  5. Step 5: Solve for x
    x = 9,409,128,148.51/106,480.26
  6. Step 6: Final answer
    x = 88,365.00

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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.