Home / 127,301.84-190,700.57-87,222.34

Finding the Fourth Proportional to 127,301.84, 190,700.57 and 87,222.34

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Solution

The fourth proportional to 127,301.84, 190,700.57 and 87,222.34 is: 130,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,301.84 : 190,700.57 = 87,222.34 : x
  2. Step 2: Convert to fraction form
    127,301.84/190,700.57 = 87,222.34/x
  3. Step 3: Cross multiply
    127,301.84x = 190,700.57 × 87,222.34
  4. Step 4: Simplify right side
    127,301.84x = 16,633,349,338.47
  5. Step 5: Solve for x
    x = 16,633,349,338.47/127,301.84
  6. Step 6: Final answer
    x = 130,660.71

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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.