Home / 188,075.87-259,549.47-103,192.91

Finding the Fourth Proportional to 188,075.87, 259,549.47 and 103,192.91

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Solution

The fourth proportional to 188,075.87, 259,549.47 and 103,192.91 is: 142,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,075.87 : 259,549.47 = 103,192.91 : x
  2. Step 2: Convert to fraction form
    188,075.87/259,549.47 = 103,192.91/x
  3. Step 3: Cross multiply
    188,075.87x = 259,549.47 × 103,192.91
  4. Step 4: Simplify right side
    188,075.87x = 26,783,663,800.51
  5. Step 5: Solve for x
    x = 26,783,663,800.51/188,075.87
  6. Step 6: Final answer
    x = 142,408.83

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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.