Home / 117,327.48-162,045.57-79,536.12

Finding the Fourth Proportional to 117,327.48, 162,045.57 and 79,536.12

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Solution

The fourth proportional to 117,327.48, 162,045.57 and 79,536.12 is: 109,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327.48 : 162,045.57 = 79,536.12 : x
  2. Step 2: Convert to fraction form
    117,327.48/162,045.57 = 79,536.12/x
  3. Step 3: Cross multiply
    117,327.48x = 162,045.57 × 79,536.12
  4. Step 4: Simplify right side
    117,327.48x = 12,888,475,900.99
  5. Step 5: Solve for x
    x = 12,888,475,900.99/117,327.48
  6. Step 6: Final answer
    x = 109,850.45

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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.