Home / 137,895.85-190,296.29-76,642.03

Finding the Fourth Proportional to 137,895.85, 190,296.29 and 76,642.03

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Solution

The fourth proportional to 137,895.85, 190,296.29 and 76,642.03 is: 105,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,895.85 : 190,296.29 = 76,642.03 : x
  2. Step 2: Convert to fraction form
    137,895.85/190,296.29 = 76,642.03/x
  3. Step 3: Cross multiply
    137,895.85x = 190,296.29 × 76,642.03
  4. Step 4: Simplify right side
    137,895.85x = 14,584,693,967.07
  5. Step 5: Solve for x
    x = 14,584,693,967.07/137,895.85
  6. Step 6: Final answer
    x = 105,766.01

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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.