Home / 156,266.66-215,648.25-84,647.27

Finding the Fourth Proportional to 156,266.66, 215,648.25 and 84,647.27

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Solution

The fourth proportional to 156,266.66, 215,648.25 and 84,647.27 is: 116,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,266.66 : 215,648.25 = 84,647.27 : x
  2. Step 2: Convert to fraction form
    156,266.66/215,648.25 = 84,647.27/x
  3. Step 3: Cross multiply
    156,266.66x = 215,648.25 × 84,647.27
  4. Step 4: Simplify right side
    156,266.66x = 18,254,035,642.78
  5. Step 5: Solve for x
    x = 18,254,035,642.78/156,266.66
  6. Step 6: Final answer
    x = 116,813.37

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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.