Home / 117,567.89-162,249.30-72,247.76

Finding the Fourth Proportional to 117,567.89, 162,249.30 and 72,247.76

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Solution

The fourth proportional to 117,567.89, 162,249.30 and 72,247.76 is: 99,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,567.89 : 162,249.30 = 72,247.76 : x
  2. Step 2: Convert to fraction form
    117,567.89/162,249.30 = 72,247.76/x
  3. Step 3: Cross multiply
    117,567.89x = 162,249.30 × 72,247.76
  4. Step 4: Simplify right side
    117,567.89x = 11,722,147,675.32
  5. Step 5: Solve for x
    x = 11,722,147,675.32/117,567.89
  6. Step 6: Final answer
    x = 99,705.35

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1.5x scale

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.