Home / 126,088.36-174,009.78-69,499.60

Finding the Fourth Proportional to 126,088.36, 174,009.78 and 69,499.60

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Solution

The fourth proportional to 126,088.36, 174,009.78 and 69,499.60 is: 95,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.36 : 174,009.78 = 69,499.60 : x
  2. Step 2: Convert to fraction form
    126,088.36/174,009.78 = 69,499.60/x
  3. Step 3: Cross multiply
    126,088.36x = 174,009.78 × 69,499.60
  4. Step 4: Simplify right side
    126,088.36x = 12,093,610,106.09
  5. Step 5: Solve for x
    x = 12,093,610,106.09/126,088.36
  6. Step 6: Final answer
    x = 95,913.77

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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.