Home / 137,755.07-190,053.10-90,035.94

Finding the Fourth Proportional to 137,755.07, 190,053.10 and 90,035.94

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Solution

The fourth proportional to 137,755.07, 190,053.10 and 90,035.94 is: 124,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,755.07 : 190,053.10 = 90,035.94 : x
  2. Step 2: Convert to fraction form
    137,755.07/190,053.10 = 90,035.94/x
  3. Step 3: Cross multiply
    137,755.07x = 190,053.10 × 90,035.94
  4. Step 4: Simplify right side
    137,755.07x = 17,111,609,508.41
  5. Step 5: Solve for x
    x = 17,111,609,508.41/137,755.07
  6. Step 6: Final answer
    x = 124,217.64

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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.