Home / 144,506.08-199,415.21-79,094.60

Finding the Fourth Proportional to 144,506.08, 199,415.21 and 79,094.60

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Solution

The fourth proportional to 144,506.08, 199,415.21 and 79,094.60 is: 109,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,506.08 : 199,415.21 = 79,094.60 : x
  2. Step 2: Convert to fraction form
    144,506.08/199,415.21 = 79,094.60/x
  3. Step 3: Cross multiply
    144,506.08x = 199,415.21 × 79,094.60
  4. Step 4: Simplify right side
    144,506.08x = 15,772,666,268.87
  5. Step 5: Solve for x
    x = 15,772,666,268.87/144,506.08
  6. Step 6: Final answer
    x = 109,148.81

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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.