Home / 214,714.08-322,024.80-81,547.20

Finding the Fourth Proportional to 214,714.08, 322,024.80 and 81,547.20

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Solution

The fourth proportional to 214,714.08, 322,024.80 and 81,547.20 is: 122,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,714.08 : 322,024.80 = 81,547.20 : x
  2. Step 2: Convert to fraction form
    214,714.08/322,024.80 = 81,547.20/x
  3. Step 3: Cross multiply
    214,714.08x = 322,024.80 × 81,547.20
  4. Step 4: Simplify right side
    214,714.08x = 26,260,220,770.56
  5. Step 5: Solve for x
    x = 26,260,220,770.56/214,714.08
  6. Step 6: Final answer
    x = 122,303.21

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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.