Home / 238,081.36-328,561.75-130,655.24

Finding the Fourth Proportional to 238,081.36, 328,561.75 and 130,655.24

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Solution

The fourth proportional to 238,081.36, 328,561.75 and 130,655.24 is: 180,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.36 : 328,561.75 = 130,655.24 : x
  2. Step 2: Convert to fraction form
    238,081.36/328,561.75 = 130,655.24/x
  3. Step 3: Cross multiply
    238,081.36x = 328,561.75 × 130,655.24
  4. Step 4: Simplify right side
    238,081.36x = 42,928,314,301.07
  5. Step 5: Solve for x
    x = 42,928,314,301.07/238,081.36
  6. Step 6: Final answer
    x = 180,309.43

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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.