Home / 112,284.48-168,281.28-45,646.68

Finding the Fourth Proportional to 112,284.48, 168,281.28 and 45,646.68

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Solution

The fourth proportional to 112,284.48, 168,281.28 and 45,646.68 is: 68,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,284.48 : 168,281.28 = 45,646.68 : x
  2. Step 2: Convert to fraction form
    112,284.48/168,281.28 = 45,646.68/x
  3. Step 3: Cross multiply
    112,284.48x = 168,281.28 × 45,646.68
  4. Step 4: Simplify right side
    112,284.48x = 7,681,481,738.15
  5. Step 5: Solve for x
    x = 7,681,481,738.15/112,284.48
  6. Step 6: Final answer
    x = 68,410.89

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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.