Home / 144,485.90-199,386.03-79,951.25

Finding the Fourth Proportional to 144,485.90, 199,386.03 and 79,951.25

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Solution

The fourth proportional to 144,485.90, 199,386.03 and 79,951.25 is: 110,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485.90 : 199,386.03 = 79,951.25 : x
  2. Step 2: Convert to fraction form
    144,485.90/199,386.03 = 79,951.25/x
  3. Step 3: Cross multiply
    144,485.90x = 199,386.03 × 79,951.25
  4. Step 4: Simplify right side
    144,485.90x = 15,941,161,334.11
  5. Step 5: Solve for x
    x = 15,941,161,334.11/144,485.90
  6. Step 6: Final answer
    x = 110,330.22

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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.