Home / 146,128.28-201,796.34-138,167.51

Finding the Fourth Proportional to 146,128.28, 201,796.34 and 138,167.51

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Solution

The fourth proportional to 146,128.28, 201,796.34 and 138,167.51 is: 190,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128.28 : 201,796.34 = 138,167.51 : x
  2. Step 2: Convert to fraction form
    146,128.28/201,796.34 = 138,167.51/x
  3. Step 3: Cross multiply
    146,128.28x = 201,796.34 × 138,167.51
  4. Step 4: Simplify right side
    146,128.28x = 27,881,696,125.09
  5. Step 5: Solve for x
    x = 27,881,696,125.09/146,128.28
  6. Step 6: Final answer
    x = 190,802.88

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1.5x scale

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.