Home / 86,714.10-130,145.22-61,815.06

Finding the Fourth Proportional to 86,714.10, 130,145.22 and 61,815.06

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Solution

The fourth proportional to 86,714.10, 130,145.22 and 61,815.06 is: 92,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,714.10 : 130,145.22 = 61,815.06 : x
  2. Step 2: Convert to fraction form
    86,714.10/130,145.22 = 61,815.06/x
  3. Step 3: Cross multiply
    86,714.10x = 130,145.22 × 61,815.06
  4. Step 4: Simplify right side
    86,714.10x = 8,044,934,583.01
  5. Step 5: Solve for x
    x = 8,044,934,583.01/86,714.10
  6. Step 6: Final answer
    x = 92,775.39

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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.