Home / 122,330.28-168,783.54-70,634.64

Finding the Fourth Proportional to 122,330.28, 168,783.54 and 70,634.64

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Solution

The fourth proportional to 122,330.28, 168,783.54 and 70,634.64 is: 97,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,330.28 : 168,783.54 = 70,634.64 : x
  2. Step 2: Convert to fraction form
    122,330.28/168,783.54 = 70,634.64/x
  3. Step 3: Cross multiply
    122,330.28x = 168,783.54 × 70,634.64
  4. Step 4: Simplify right side
    122,330.28x = 11,921,964,585.83
  5. Step 5: Solve for x
    x = 11,921,964,585.83/122,330.28
  6. Step 6: Final answer
    x = 97,457.18

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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.