Home / 122,053.80-168,426.18-68,338.32

Finding the Fourth Proportional to 122,053.80, 168,426.18 and 68,338.32

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Solution

The fourth proportional to 122,053.80, 168,426.18 and 68,338.32 is: 94,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,053.80 : 168,426.18 = 68,338.32 : x
  2. Step 2: Convert to fraction form
    122,053.80/168,426.18 = 68,338.32/x
  3. Step 3: Cross multiply
    122,053.80x = 168,426.18 × 68,338.32
  4. Step 4: Simplify right side
    122,053.80x = 11,509,962,185.22
  5. Step 5: Solve for x
    x = 11,509,962,185.22/122,053.80
  6. Step 6: Final answer
    x = 94,302.37

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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.