Home / 138,260.13-190,857.95-92,964.37

Finding the Fourth Proportional to 138,260.13, 190,857.95 and 92,964.37

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Solution

The fourth proportional to 138,260.13, 190,857.95 and 92,964.37 is: 128,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,260.13 : 190,857.95 = 92,964.37 : x
  2. Step 2: Convert to fraction form
    138,260.13/190,857.95 = 92,964.37/x
  3. Step 3: Cross multiply
    138,260.13x = 190,857.95 × 92,964.37
  4. Step 4: Simplify right side
    138,260.13x = 17,742,988,836.51
  5. Step 5: Solve for x
    x = 17,742,988,836.51/138,260.13
  6. Step 6: Final answer
    x = 128,330.48

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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.