Home / 122,023.72-168,392.80-68,308.84

Finding the Fourth Proportional to 122,023.72, 168,392.80 and 68,308.84

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Solution

The fourth proportional to 122,023.72, 168,392.80 and 68,308.84 is: 94,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.72 : 168,392.80 = 68,308.84 : x
  2. Step 2: Convert to fraction form
    122,023.72/168,392.80 = 68,308.84/x
  3. Step 3: Cross multiply
    122,023.72x = 168,392.80 × 68,308.84
  4. Step 4: Simplify right side
    122,023.72x = 11,502,716,832.35
  5. Step 5: Solve for x
    x = 11,502,716,832.35/122,023.72
  6. Step 6: Final answer
    x = 94,266.24

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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.