Home / 122,298.54-168,700.32-76,904.52

Finding the Fourth Proportional to 122,298.54, 168,700.32 and 76,904.52

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Solution

The fourth proportional to 122,298.54, 168,700.32 and 76,904.52 is: 106,083.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,298.54 : 168,700.32 = 76,904.52 : x
  2. Step 2: Convert to fraction form
    122,298.54/168,700.32 = 76,904.52/x
  3. Step 3: Cross multiply
    122,298.54x = 168,700.32 × 76,904.52
  4. Step 4: Simplify right side
    122,298.54x = 12,973,817,133.45
  5. Step 5: Solve for x
    x = 12,973,817,133.45/122,298.54
  6. Step 6: Final answer
    x = 106,083.17

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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.