Home / 122,298.36-168,700.23-76,904.47

Finding the Fourth Proportional to 122,298.36, 168,700.23 and 76,904.47

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Solution

The fourth proportional to 122,298.36, 168,700.23 and 76,904.47 is: 106,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,298.36 : 168,700.23 = 76,904.47 : x
  2. Step 2: Convert to fraction form
    122,298.36/168,700.23 = 76,904.47/x
  3. Step 3: Cross multiply
    122,298.36x = 168,700.23 × 76,904.47
  4. Step 4: Simplify right side
    122,298.36x = 12,973,801,777.03
  5. Step 5: Solve for x
    x = 12,973,801,777.03/122,298.36
  6. Step 6: Final answer
    x = 106,083.20

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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.