Home / 112,009.60-168,014.40-106,825.60

Finding the Fourth Proportional to 112,009.60, 168,014.40 and 106,825.60

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Solution

The fourth proportional to 112,009.60, 168,014.40 and 106,825.60 is: 160,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.60 : 168,014.40 = 106,825.60 : x
  2. Step 2: Convert to fraction form
    112,009.60/168,014.40 = 106,825.60/x
  3. Step 3: Cross multiply
    112,009.60x = 168,014.40 × 106,825.60
  4. Step 4: Simplify right side
    112,009.60x = 17,948,239,088.64
  5. Step 5: Solve for x
    x = 17,948,239,088.64/112,009.60
  6. Step 6: Final answer
    x = 160,238.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.