Home / 117,986.48-176,890.80-71,228.24

Finding the Fourth Proportional to 117,986.48, 176,890.80 and 71,228.24

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Solution

The fourth proportional to 117,986.48, 176,890.80 and 71,228.24 is: 106,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,986.48 : 176,890.80 = 71,228.24 : x
  2. Step 2: Convert to fraction form
    117,986.48/176,890.80 = 71,228.24/x
  3. Step 3: Cross multiply
    117,986.48x = 176,890.80 × 71,228.24
  4. Step 4: Simplify right side
    117,986.48x = 12,599,620,356.19
  5. Step 5: Solve for x
    x = 12,599,620,356.19/117,986.48
  6. Step 6: Final answer
    x = 106,788.68

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1.5x scale

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.