Home / 144,289.19-199,118.47-80,626.98

Finding the Fourth Proportional to 144,289.19, 199,118.47 and 80,626.98

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Solution

The fourth proportional to 144,289.19, 199,118.47 and 80,626.98 is: 111,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,289.19 : 199,118.47 = 80,626.98 : x
  2. Step 2: Convert to fraction form
    144,289.19/199,118.47 = 80,626.98/x
  3. Step 3: Cross multiply
    144,289.19x = 199,118.47 × 80,626.98
  4. Step 4: Simplify right side
    144,289.19x = 16,054,320,898.32
  5. Step 5: Solve for x
    x = 16,054,320,898.32/144,289.19
  6. Step 6: Final answer
    x = 111,264.89

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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.