Home / 103,837.08-155,753.39-28,955.23

Finding the Fourth Proportional to 103,837.08, 155,753.39 and 28,955.23

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Solution

The fourth proportional to 103,837.08, 155,753.39 and 28,955.23 is: 43,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.08 : 155,753.39 = 28,955.23 : x
  2. Step 2: Convert to fraction form
    103,837.08/155,753.39 = 28,955.23/x
  3. Step 3: Cross multiply
    103,837.08x = 155,753.39 × 28,955.23
  4. Step 4: Simplify right side
    103,837.08x = 4,509,875,511.53
  5. Step 5: Solve for x
    x = 4,509,875,511.53/103,837.08
  6. Step 6: Final answer
    x = 43,432.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.