Home / 112,347.09-168,473.88-45,742.05

Finding the Fourth Proportional to 112,347.09, 168,473.88 and 45,742.05

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Solution

The fourth proportional to 112,347.09, 168,473.88 and 45,742.05 is: 68,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,347.09 : 168,473.88 = 45,742.05 : x
  2. Step 2: Convert to fraction form
    112,347.09/168,473.88 = 45,742.05/x
  3. Step 3: Cross multiply
    112,347.09x = 168,473.88 × 45,742.05
  4. Step 4: Simplify right side
    112,347.09x = 7,706,340,642.65
  5. Step 5: Solve for x
    x = 7,706,340,642.65/112,347.09
  6. Step 6: Final answer
    x = 68,594.04

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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.