Home / 238,083.93-328,559.81-130,663.95

Finding the Fourth Proportional to 238,083.93, 328,559.81 and 130,663.95

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Solution

The fourth proportional to 238,083.93, 328,559.81 and 130,663.95 is: 180,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.93 : 328,559.81 = 130,663.95 : x
  2. Step 2: Convert to fraction form
    238,083.93/328,559.81 = 130,663.95/x
  3. Step 3: Cross multiply
    238,083.93x = 328,559.81 × 130,663.95
  4. Step 4: Simplify right side
    238,083.93x = 42,930,921,932.53
  5. Step 5: Solve for x
    x = 42,930,921,932.53/238,083.93
  6. Step 6: Final answer
    x = 180,318.44

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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.