Home / 144,259.88-199,074.96-80,598.16

Finding the Fourth Proportional to 144,259.88, 199,074.96 and 80,598.16

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Solution

The fourth proportional to 144,259.88, 199,074.96 and 80,598.16 is: 111,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,259.88 : 199,074.96 = 80,598.16 : x
  2. Step 2: Convert to fraction form
    144,259.88/199,074.96 = 80,598.16/x
  3. Step 3: Cross multiply
    144,259.88x = 199,074.96 × 80,598.16
  4. Step 4: Simplify right side
    144,259.88x = 16,045,075,478.07
  5. Step 5: Solve for x
    x = 16,045,075,478.07/144,259.88
  6. Step 6: Final answer
    x = 111,223.41

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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.