Home / 126,685.60-174,828.88-70,100.96

Finding the Fourth Proportional to 126,685.60, 174,828.88 and 70,100.96

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Solution

The fourth proportional to 126,685.60, 174,828.88 and 70,100.96 is: 96,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,685.60 : 174,828.88 = 70,100.96 : x
  2. Step 2: Convert to fraction form
    126,685.60/174,828.88 = 70,100.96/x
  3. Step 3: Cross multiply
    126,685.60x = 174,828.88 × 70,100.96
  4. Step 4: Simplify right side
    126,685.60x = 12,255,672,323.72
  5. Step 5: Solve for x
    x = 12,255,672,323.72/126,685.60
  6. Step 6: Final answer
    x = 96,740.85

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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.