Home / 122,055.04-168,416.31-68,342.32

Finding the Fourth Proportional to 122,055.04, 168,416.31 and 68,342.32

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Solution

The fourth proportional to 122,055.04, 168,416.31 and 68,342.32 is: 94,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,055.04 : 168,416.31 = 68,342.32 : x
  2. Step 2: Convert to fraction form
    122,055.04/168,416.31 = 68,342.32/x
  3. Step 3: Cross multiply
    122,055.04x = 168,416.31 × 68,342.32
  4. Step 4: Simplify right side
    122,055.04x = 11,509,961,351.24
  5. Step 5: Solve for x
    x = 11,509,961,351.24/122,055.04
  6. Step 6: Final answer
    x = 94,301.40

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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.