Home / 123,539.11-170,482.74-69,090.67

Finding the Fourth Proportional to 123,539.11, 170,482.74 and 69,090.67

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Solution

The fourth proportional to 123,539.11, 170,482.74 and 69,090.67 is: 95,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,539.11 : 170,482.74 = 69,090.67 : x
  2. Step 2: Convert to fraction form
    123,539.11/170,482.74 = 69,090.67/x
  3. Step 3: Cross multiply
    123,539.11x = 170,482.74 × 69,090.67
  4. Step 4: Simplify right side
    123,539.11x = 11,778,767,072.68
  5. Step 5: Solve for x
    x = 11,778,767,072.68/123,539.11
  6. Step 6: Final answer
    x = 95,344.44

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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.