Home / 137,770.06-190,073.77-90,050.94

Finding the Fourth Proportional to 137,770.06, 190,073.77 and 90,050.94

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Solution

The fourth proportional to 137,770.06, 190,073.77 and 90,050.94 is: 124,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,770.06 : 190,073.77 = 90,050.94 : x
  2. Step 2: Convert to fraction form
    137,770.06/190,073.77 = 90,050.94/x
  3. Step 3: Cross multiply
    137,770.06x = 190,073.77 × 90,050.94
  4. Step 4: Simplify right side
    137,770.06x = 17,116,321,657.84
  5. Step 5: Solve for x
    x = 17,116,321,657.84/137,770.06
  6. Step 6: Final answer
    x = 124,238.33

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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.