Home / 103,239.09-142,486.53-60,797.64

Finding the Fourth Proportional to 103,239.09, 142,486.53 and 60,797.64

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Solution

The fourth proportional to 103,239.09, 142,486.53 and 60,797.64 is: 83,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239.09 : 142,486.53 = 60,797.64 : x
  2. Step 2: Convert to fraction form
    103,239.09/142,486.53 = 60,797.64/x
  3. Step 3: Cross multiply
    103,239.09x = 142,486.53 × 60,797.64
  4. Step 4: Simplify right side
    103,239.09x = 8,662,844,755.79
  5. Step 5: Solve for x
    x = 8,662,844,755.79/103,239.09
  6. Step 6: Final answer
    x = 83,910.51

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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.