Home / 87,202.01-120,307.74-57,004.67

Finding the Fourth Proportional to 87,202.01, 120,307.74 and 57,004.67

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Solution

The fourth proportional to 87,202.01, 120,307.74 and 57,004.67 is: 78,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202.01 : 120,307.74 = 57,004.67 : x
  2. Step 2: Convert to fraction form
    87,202.01/120,307.74 = 57,004.67/x
  3. Step 3: Cross multiply
    87,202.01x = 120,307.74 × 57,004.67
  4. Step 4: Simplify right side
    87,202.01x = 6,858,103,017.15
  5. Step 5: Solve for x
    x = 6,858,103,017.15/87,202.01
  6. Step 6: Final answer
    x = 78,646.16

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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.