Home / 122,118.84-168,606.24-76,248.33

Finding the Fourth Proportional to 122,118.84, 168,606.24 and 76,248.33

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Solution

The fourth proportional to 122,118.84, 168,606.24 and 76,248.33 is: 105,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,118.84 : 168,606.24 = 76,248.33 : x
  2. Step 2: Convert to fraction form
    122,118.84/168,606.24 = 76,248.33/x
  3. Step 3: Cross multiply
    122,118.84x = 168,606.24 × 76,248.33
  4. Step 4: Simplify right side
    122,118.84x = 12,855,944,227.58
  5. Step 5: Solve for x
    x = 12,855,944,227.58/122,118.84
  6. Step 6: Final answer
    x = 105,274.05

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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.