Home / 112,119.48-168,175.57-45,539.91

Finding the Fourth Proportional to 112,119.48, 168,175.57 and 45,539.91

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Solution

The fourth proportional to 112,119.48, 168,175.57 and 45,539.91 is: 68,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.48 : 168,175.57 = 45,539.91 : x
  2. Step 2: Convert to fraction form
    112,119.48/168,175.57 = 45,539.91/x
  3. Step 3: Cross multiply
    112,119.48x = 168,175.57 × 45,539.91
  4. Step 4: Simplify right side
    112,119.48x = 7,658,700,322.00
  5. Step 5: Solve for x
    x = 7,658,700,322.00/112,119.48
  6. Step 6: Final answer
    x = 68,308.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.