Home / 122,439.36-168,953.35-68,730.29

Finding the Fourth Proportional to 122,439.36, 168,953.35 and 68,730.29

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Solution

The fourth proportional to 122,439.36, 168,953.35 and 68,730.29 is: 94,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.36 : 168,953.35 = 68,730.29 : x
  2. Step 2: Convert to fraction form
    122,439.36/168,953.35 = 68,730.29/x
  3. Step 3: Cross multiply
    122,439.36x = 168,953.35 × 68,730.29
  4. Step 4: Simplify right side
    122,439.36x = 11,612,211,553.55
  5. Step 5: Solve for x
    x = 11,612,211,553.55/122,439.36
  6. Step 6: Final answer
    x = 94,840.51

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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.