Home / 144,538.95-199,469.35-80,875.38

Finding the Fourth Proportional to 144,538.95, 199,469.35 and 80,875.38

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Solution

The fourth proportional to 144,538.95, 199,469.35 and 80,875.38 is: 111,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,538.95 : 199,469.35 = 80,875.38 : x
  2. Step 2: Convert to fraction form
    144,538.95/199,469.35 = 80,875.38/x
  3. Step 3: Cross multiply
    144,538.95x = 199,469.35 × 80,875.38
  4. Step 4: Simplify right side
    144,538.95x = 16,132,159,479.60
  5. Step 5: Solve for x
    x = 16,132,159,479.60/144,538.95
  6. Step 6: Final answer
    x = 111,611.16

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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.