Home / 83,485.35-125,228.03-73,117.35

Finding the Fourth Proportional to 83,485.35, 125,228.03 and 73,117.35

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Solution

The fourth proportional to 83,485.35, 125,228.03 and 73,117.35 is: 109,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,485.35 : 125,228.03 = 73,117.35 : x
  2. Step 2: Convert to fraction form
    83,485.35/125,228.03 = 73,117.35/x
  3. Step 3: Cross multiply
    83,485.35x = 125,228.03 × 73,117.35
  4. Step 4: Simplify right side
    83,485.35x = 9,156,341,333.73
  5. Step 5: Solve for x
    x = 9,156,341,333.73/83,485.35
  6. Step 6: Final answer
    x = 109,676.03

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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.