Home / 144,288.74-199,118.05-80,626.59

Finding the Fourth Proportional to 144,288.74, 199,118.05 and 80,626.59

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Solution

The fourth proportional to 144,288.74, 199,118.05 and 80,626.59 is: 111,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.74 : 199,118.05 = 80,626.59 : x
  2. Step 2: Convert to fraction form
    144,288.74/199,118.05 = 80,626.59/x
  3. Step 3: Cross multiply
    144,288.74x = 199,118.05 × 80,626.59
  4. Step 4: Simplify right side
    144,288.74x = 16,054,209,177.38
  5. Step 5: Solve for x
    x = 16,054,209,177.38/144,288.74
  6. Step 6: Final answer
    x = 111,264.46

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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.