Home / 137,827.86-190,028.07-90,005.46

Finding the Fourth Proportional to 137,827.86, 190,028.07 and 90,005.46

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Solution

The fourth proportional to 137,827.86, 190,028.07 and 90,005.46 is: 124,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,827.86 : 190,028.07 = 90,005.46 : x
  2. Step 2: Convert to fraction form
    137,827.86/190,028.07 = 90,005.46/x
  3. Step 3: Cross multiply
    137,827.86x = 190,028.07 × 90,005.46
  4. Step 4: Simplify right side
    137,827.86x = 17,103,563,853.26
  5. Step 5: Solve for x
    x = 17,103,563,853.26/137,827.86
  6. Step 6: Final answer
    x = 124,093.66

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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.