Home / 123,445.26-170,368.32-69,733.74

Finding the Fourth Proportional to 123,445.26, 170,368.32 and 69,733.74

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Solution

The fourth proportional to 123,445.26, 170,368.32 and 69,733.74 is: 96,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,445.26 : 170,368.32 = 69,733.74 : x
  2. Step 2: Convert to fraction form
    123,445.26/170,368.32 = 69,733.74/x
  3. Step 3: Cross multiply
    123,445.26x = 170,368.32 × 69,733.74
  4. Step 4: Simplify right side
    123,445.26x = 11,880,420,131.12
  5. Step 5: Solve for x
    x = 11,880,420,131.12/123,445.26
  6. Step 6: Final answer
    x = 96,240.39

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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.