Home / 84,174.42-126,267.18-28,012.26

Finding the Fourth Proportional to 84,174.42, 126,267.18 and 28,012.26

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Solution

The fourth proportional to 84,174.42, 126,267.18 and 28,012.26 is: 42,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.42 : 126,267.18 = 28,012.26 : x
  2. Step 2: Convert to fraction form
    84,174.42/126,267.18 = 28,012.26/x
  3. Step 3: Cross multiply
    84,174.42x = 126,267.18 × 28,012.26
  4. Step 4: Simplify right side
    84,174.42x = 3,537,029,075.63
  5. Step 5: Solve for x
    x = 3,537,029,075.63/84,174.42
  6. Step 6: Final answer
    x = 42,020.24

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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.