Home / 126,342.84-174,145.41-89,561.37

Finding the Fourth Proportional to 126,342.84, 174,145.41 and 89,561.37

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Solution

The fourth proportional to 126,342.84, 174,145.41 and 89,561.37 is: 123,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342.84 : 174,145.41 = 89,561.37 : x
  2. Step 2: Convert to fraction form
    126,342.84/174,145.41 = 89,561.37/x
  3. Step 3: Cross multiply
    126,342.84x = 174,145.41 × 89,561.37
  4. Step 4: Simplify right side
    126,342.84x = 15,596,701,498.81
  5. Step 5: Solve for x
    x = 15,596,701,498.81/126,342.84
  6. Step 6: Final answer
    x = 123,447.45

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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.