Home / 122,222.24-168,666.14-68,507.28

Finding the Fourth Proportional to 122,222.24, 168,666.14 and 68,507.28

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Solution

The fourth proportional to 122,222.24, 168,666.14 and 68,507.28 is: 94,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,222.24 : 168,666.14 = 68,507.28 : x
  2. Step 2: Convert to fraction form
    122,222.24/168,666.14 = 68,507.28/x
  3. Step 3: Cross multiply
    122,222.24x = 168,666.14 × 68,507.28
  4. Step 4: Simplify right side
    122,222.24x = 11,554,858,479.50
  5. Step 5: Solve for x
    x = 11,554,858,479.50/122,222.24
  6. Step 6: Final answer
    x = 94,539.74

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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.