Home / 112,287.10-168,284.40-45,649.48

Finding the Fourth Proportional to 112,287.10, 168,284.40 and 45,649.48

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Solution

The fourth proportional to 112,287.10, 168,284.40 and 45,649.48 is: 68,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.10 : 168,284.40 = 45,649.48 : x
  2. Step 2: Convert to fraction form
    112,287.10/168,284.40 = 45,649.48/x
  3. Step 3: Cross multiply
    112,287.10x = 168,284.40 × 45,649.48
  4. Step 4: Simplify right side
    112,287.10x = 7,682,095,352.11
  5. Step 5: Solve for x
    x = 7,682,095,352.11/112,287.10
  6. Step 6: Final answer
    x = 68,414.76

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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.