Home / 118,614.87-163,596.11-76,177.35

Finding the Fourth Proportional to 118,614.87, 163,596.11 and 76,177.35

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Solution

The fourth proportional to 118,614.87, 163,596.11 and 76,177.35 is: 105,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.87 : 163,596.11 = 76,177.35 : x
  2. Step 2: Convert to fraction form
    118,614.87/163,596.11 = 76,177.35/x
  3. Step 3: Cross multiply
    118,614.87x = 163,596.11 × 76,177.35
  4. Step 4: Simplify right side
    118,614.87x = 12,462,317,749.22
  5. Step 5: Solve for x
    x = 12,462,317,749.22/118,614.87
  6. Step 6: Final answer
    x = 105,065.39

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1.5x scale

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.