Home / 84,184.09-126,180.72-28,010.98

Finding the Fourth Proportional to 84,184.09, 126,180.72 and 28,010.98

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Solution

The fourth proportional to 84,184.09, 126,180.72 and 28,010.98 is: 41,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.09 : 126,180.72 = 28,010.98 : x
  2. Step 2: Convert to fraction form
    84,184.09/126,180.72 = 28,010.98/x
  3. Step 3: Cross multiply
    84,184.09x = 126,180.72 × 28,010.98
  4. Step 4: Simplify right side
    84,184.09x = 3,534,445,624.31
  5. Step 5: Solve for x
    x = 3,534,445,624.31/84,184.09
  6. Step 6: Final answer
    x = 41,984.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.