Home / 113,564.43-170,128.31-63,492.66

Finding the Fourth Proportional to 113,564.43, 170,128.31 and 63,492.66

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Solution

The fourth proportional to 113,564.43, 170,128.31 and 63,492.66 is: 95,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,564.43 : 170,128.31 = 63,492.66 : x
  2. Step 2: Convert to fraction form
    113,564.43/170,128.31 = 63,492.66/x
  3. Step 3: Cross multiply
    113,564.43x = 170,128.31 × 63,492.66
  4. Step 4: Simplify right side
    113,564.43x = 10,801,898,625.74
  5. Step 5: Solve for x
    x = 10,801,898,625.74/113,564.43
  6. Step 6: Final answer
    x = 95,116.92

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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.