Home / 261,734.64-392,664.60-84,258.24

Finding the Fourth Proportional to 261,734.64, 392,664.60 and 84,258.24

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Solution

The fourth proportional to 261,734.64, 392,664.60 and 84,258.24 is: 126,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,734.64 : 392,664.60 = 84,258.24 : x
  2. Step 2: Convert to fraction form
    261,734.64/392,664.60 = 84,258.24/x
  3. Step 3: Cross multiply
    261,734.64x = 392,664.60 × 84,258.24
  4. Step 4: Simplify right side
    261,734.64x = 33,085,228,106.30
  5. Step 5: Solve for x
    x = 33,085,228,106.30/261,734.64
  6. Step 6: Final answer
    x = 126,407.53

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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.