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Finding the Fourth Proportional to 86,874.30, 130,269.69 and 36,927.32

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Solution

The fourth proportional to 86,874.30, 130,269.69 and 36,927.32 is: 55,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,874.30 : 130,269.69 = 36,927.32 : x
  2. Step 2: Convert to fraction form
    86,874.30/130,269.69 = 36,927.32/x
  3. Step 3: Cross multiply
    86,874.30x = 130,269.69 × 36,927.32
  4. Step 4: Simplify right side
    86,874.30x = 4,810,509,877.58
  5. Step 5: Solve for x
    x = 4,810,509,877.58/86,874.30
  6. Step 6: Final answer
    x = 55,373.22

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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.