Home / 155,742.06-214,926.05-92,079.30

Finding the Fourth Proportional to 155,742.06, 214,926.05 and 92,079.30

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Solution

The fourth proportional to 155,742.06, 214,926.05 and 92,079.30 is: 127,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,742.06 : 214,926.05 = 92,079.30 : x
  2. Step 2: Convert to fraction form
    155,742.06/214,926.05 = 92,079.30/x
  3. Step 3: Cross multiply
    155,742.06x = 214,926.05 × 92,079.30
  4. Step 4: Simplify right side
    155,742.06x = 19,790,239,775.37
  5. Step 5: Solve for x
    x = 19,790,239,775.37/155,742.06
  6. Step 6: Final answer
    x = 127,070.62

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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.