Home / 123,257.36-170,085.48-69,555.44

Finding the Fourth Proportional to 123,257.36, 170,085.48 and 69,555.44

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Solution

The fourth proportional to 123,257.36, 170,085.48 and 69,555.44 is: 95,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,257.36 : 170,085.48 = 69,555.44 : x
  2. Step 2: Convert to fraction form
    123,257.36/170,085.48 = 69,555.44/x
  3. Step 3: Cross multiply
    123,257.36x = 170,085.48 × 69,555.44
  4. Step 4: Simplify right side
    123,257.36x = 11,830,370,399.01
  5. Step 5: Solve for x
    x = 11,830,370,399.01/123,257.36
  6. Step 6: Final answer
    x = 95,981.05

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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.