Home / 105,531.26-145,630.16-60,208.32

Finding the Fourth Proportional to 105,531.26, 145,630.16 and 60,208.32

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Solution

The fourth proportional to 105,531.26, 145,630.16 and 60,208.32 is: 83,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,531.26 : 145,630.16 = 60,208.32 : x
  2. Step 2: Convert to fraction form
    105,531.26/145,630.16 = 60,208.32/x
  3. Step 3: Cross multiply
    105,531.26x = 145,630.16 × 60,208.32
  4. Step 4: Simplify right side
    105,531.26x = 8,768,147,274.93
  5. Step 5: Solve for x
    x = 8,768,147,274.93/105,531.26
  6. Step 6: Final answer
    x = 83,085.78

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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.