Home / 144,280.46-199,106.60-80,618.30

Finding the Fourth Proportional to 144,280.46, 199,106.60 and 80,618.30

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Solution

The fourth proportional to 144,280.46, 199,106.60 and 80,618.30 is: 111,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,280.46 : 199,106.60 = 80,618.30 : x
  2. Step 2: Convert to fraction form
    144,280.46/199,106.60 = 80,618.30/x
  3. Step 3: Cross multiply
    144,280.46x = 199,106.60 × 80,618.30
  4. Step 4: Simplify right side
    144,280.46x = 16,051,634,212.16
  5. Step 5: Solve for x
    x = 16,051,634,212.16/144,280.46
  6. Step 6: Final answer
    x = 111,253.01

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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.