Home / 144,291.74-199,118.77-80,630.06

Finding the Fourth Proportional to 144,291.74, 199,118.77 and 80,630.06

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Solution

The fourth proportional to 144,291.74, 199,118.77 and 80,630.06 is: 111,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.74 : 199,118.77 = 80,630.06 : x
  2. Step 2: Convert to fraction form
    144,291.74/199,118.77 = 80,630.06/x
  3. Step 3: Cross multiply
    144,291.74x = 199,118.77 × 80,630.06
  4. Step 4: Simplify right side
    144,291.74x = 16,054,957,376.63
  5. Step 5: Solve for x
    x = 16,054,957,376.63/144,291.74
  6. Step 6: Final answer
    x = 111,267.34

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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.