Home / 122,164.95-168,587.51-68,450.35

Finding the Fourth Proportional to 122,164.95, 168,587.51 and 68,450.35

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Solution

The fourth proportional to 122,164.95, 168,587.51 and 68,450.35 is: 94,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,164.95 : 168,587.51 = 68,450.35 : x
  2. Step 2: Convert to fraction form
    122,164.95/168,587.51 = 68,450.35/x
  3. Step 3: Cross multiply
    122,164.95x = 168,587.51 × 68,450.35
  4. Step 4: Simplify right side
    122,164.95x = 11,539,874,065.13
  5. Step 5: Solve for x
    x = 11,539,874,065.13/122,164.95
  6. Step 6: Final answer
    x = 94,461.42

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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.