Home / 117,750.07-162,518.43-66,763.81

Finding the Fourth Proportional to 117,750.07, 162,518.43 and 66,763.81

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Solution

The fourth proportional to 117,750.07, 162,518.43 and 66,763.81 is: 92,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,750.07 : 162,518.43 = 66,763.81 : x
  2. Step 2: Convert to fraction form
    117,750.07/162,518.43 = 66,763.81/x
  3. Step 3: Cross multiply
    117,750.07x = 162,518.43 × 66,763.81
  4. Step 4: Simplify right side
    117,750.07x = 10,850,349,582.02
  5. Step 5: Solve for x
    x = 10,850,349,582.02/117,750.07
  6. Step 6: Final answer
    x = 92,147.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.