Home / 137,797.74-190,168.02-77,365.26

Finding the Fourth Proportional to 137,797.74, 190,168.02 and 77,365.26

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Solution

The fourth proportional to 137,797.74, 190,168.02 and 77,365.26 is: 106,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,797.74 : 190,168.02 = 77,365.26 : x
  2. Step 2: Convert to fraction form
    137,797.74/190,168.02 = 77,365.26/x
  3. Step 3: Cross multiply
    137,797.74x = 190,168.02 × 77,365.26
  4. Step 4: Simplify right side
    137,797.74x = 14,712,398,310.99
  5. Step 5: Solve for x
    x = 14,712,398,310.99/137,797.74
  6. Step 6: Final answer
    x = 106,768.07

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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.