Home / 238,083.23-328,538.66-130,660.17

Finding the Fourth Proportional to 238,083.23, 328,538.66 and 130,660.17

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Solution

The fourth proportional to 238,083.23, 328,538.66 and 130,660.17 is: 180,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.23 : 328,538.66 = 130,660.17 : x
  2. Step 2: Convert to fraction form
    238,083.23/328,538.66 = 130,660.17/x
  3. Step 3: Cross multiply
    238,083.23x = 328,538.66 × 130,660.17
  4. Step 4: Simplify right side
    238,083.23x = 42,926,916,513.87
  5. Step 5: Solve for x
    x = 42,926,916,513.87/238,083.23
  6. Step 6: Final answer
    x = 180,302.15

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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.