Home / 238,054.11-328,513.75-130,625.94

Finding the Fourth Proportional to 238,054.11, 328,513.75 and 130,625.94

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Solution

The fourth proportional to 238,054.11, 328,513.75 and 130,625.94 is: 180,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,054.11 : 328,513.75 = 130,625.94 : x
  2. Step 2: Convert to fraction form
    238,054.11/328,513.75 = 130,625.94/x
  3. Step 3: Cross multiply
    238,054.11x = 328,513.75 × 130,625.94
  4. Step 4: Simplify right side
    238,054.11x = 42,912,417,396.68
  5. Step 5: Solve for x
    x = 42,912,417,396.68/238,054.11
  6. Step 6: Final answer
    x = 180,263.29

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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.