Home / 156,745.04-216,161.88-120,877.52

Finding the Fourth Proportional to 156,745.04, 216,161.88 and 120,877.52

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Solution

The fourth proportional to 156,745.04, 216,161.88 and 120,877.52 is: 166,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.04 : 216,161.88 = 120,877.52 : x
  2. Step 2: Convert to fraction form
    156,745.04/216,161.88 = 120,877.52/x
  3. Step 3: Cross multiply
    156,745.04x = 216,161.88 × 120,877.52
  4. Step 4: Simplify right side
    156,745.04x = 26,129,111,972.94
  5. Step 5: Solve for x
    x = 26,129,111,972.94/156,745.04
  6. Step 6: Final answer
    x = 166,698.17

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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.