Home / 117,569.41-162,135.26-90,669.31

Finding the Fourth Proportional to 117,569.41, 162,135.26 and 90,669.31

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Solution

The fourth proportional to 117,569.41, 162,135.26 and 90,669.31 is: 125,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.41 : 162,135.26 = 90,669.31 : x
  2. Step 2: Convert to fraction form
    117,569.41/162,135.26 = 90,669.31/x
  3. Step 3: Cross multiply
    117,569.41x = 162,135.26 × 90,669.31
  4. Step 4: Simplify right side
    117,569.41x = 14,700,691,340.19
  5. Step 5: Solve for x
    x = 14,700,691,340.19/117,569.41
  6. Step 6: Final answer
    x = 125,038.41

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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.