Home / 68,075.93-102,117.23-18,156.47

Finding the Fourth Proportional to 68,075.93, 102,117.23 and 18,156.47

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Solution

The fourth proportional to 68,075.93, 102,117.23 and 18,156.47 is: 27,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.93 : 102,117.23 = 18,156.47 : x
  2. Step 2: Convert to fraction form
    68,075.93/102,117.23 = 18,156.47/x
  3. Step 3: Cross multiply
    68,075.93x = 102,117.23 × 18,156.47
  4. Step 4: Simplify right side
    68,075.93x = 1,854,087,821.61
  5. Step 5: Solve for x
    x = 1,854,087,821.61/68,075.93
  6. Step 6: Final answer
    x = 27,235.59

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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.