Home / 122,302.36-168,705.57-76,908.34

Finding the Fourth Proportional to 122,302.36, 168,705.57 and 76,908.34

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Solution

The fourth proportional to 122,302.36, 168,705.57 and 76,908.34 is: 106,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,302.36 : 168,705.57 = 76,908.34 : x
  2. Step 2: Convert to fraction form
    122,302.36/168,705.57 = 76,908.34/x
  3. Step 3: Cross multiply
    122,302.36x = 168,705.57 × 76,908.34
  4. Step 4: Simplify right side
    122,302.36x = 12,974,865,204.10
  5. Step 5: Solve for x
    x = 12,974,865,204.10/122,302.36
  6. Step 6: Final answer
    x = 106,088.43

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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.