Home / 123,636.68-170,621.87-69,929.63

Finding the Fourth Proportional to 123,636.68, 170,621.87 and 69,929.63

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Solution

The fourth proportional to 123,636.68, 170,621.87 and 69,929.63 is: 96,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,636.68 : 170,621.87 = 69,929.63 : x
  2. Step 2: Convert to fraction form
    123,636.68/170,621.87 = 69,929.63/x
  3. Step 3: Cross multiply
    123,636.68x = 170,621.87 × 69,929.63
  4. Step 4: Simplify right side
    123,636.68x = 11,931,524,239.01
  5. Step 5: Solve for x
    x = 11,931,524,239.01/123,636.68
  6. Step 6: Final answer
    x = 96,504.73

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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.