Home / 100,104.03-138,129.93-59,809.26

Finding the Fourth Proportional to 100,104.03, 138,129.93 and 59,809.26

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Solution

The fourth proportional to 100,104.03, 138,129.93 and 59,809.26 is: 82,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,104.03 : 138,129.93 = 59,809.26 : x
  2. Step 2: Convert to fraction form
    100,104.03/138,129.93 = 59,809.26/x
  3. Step 3: Cross multiply
    100,104.03x = 138,129.93 × 59,809.26
  4. Step 4: Simplify right side
    100,104.03x = 8,261,448,897.15
  5. Step 5: Solve for x
    x = 8,261,448,897.15/100,104.03
  6. Step 6: Final answer
    x = 82,528.63

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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.