Home / 112,284.10-168,279.90-45,646.48

Finding the Fourth Proportional to 112,284.10, 168,279.90 and 45,646.48

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Solution

The fourth proportional to 112,284.10, 168,279.90 and 45,646.48 is: 68,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,284.10 : 168,279.90 = 45,646.48 : x
  2. Step 2: Convert to fraction form
    112,284.10/168,279.90 = 45,646.48/x
  3. Step 3: Cross multiply
    112,284.10x = 168,279.90 × 45,646.48
  4. Step 4: Simplify right side
    112,284.10x = 7,681,385,089.75
  5. Step 5: Solve for x
    x = 7,681,385,089.75/112,284.10
  6. Step 6: Final answer
    x = 68,410.27

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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.