Home / 112,206.81-168,164.78-45,569.53

Finding the Fourth Proportional to 112,206.81, 168,164.78 and 45,569.53

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Solution

The fourth proportional to 112,206.81, 168,164.78 and 45,569.53 is: 68,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.81 : 168,164.78 = 45,569.53 : x
  2. Step 2: Convert to fraction form
    112,206.81/168,164.78 = 45,569.53/x
  3. Step 3: Cross multiply
    112,206.81x = 168,164.78 × 45,569.53
  4. Step 4: Simplify right side
    112,206.81x = 7,663,189,146.33
  5. Step 5: Solve for x
    x = 7,663,189,146.33/112,206.81
  6. Step 6: Final answer
    x = 68,295.22

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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.