Home / 84,011.88-125,993.34-69,184.20

Finding the Fourth Proportional to 84,011.88, 125,993.34 and 69,184.20

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Solution

The fourth proportional to 84,011.88, 125,993.34 and 69,184.20 is: 103,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011.88 : 125,993.34 = 69,184.20 : x
  2. Step 2: Convert to fraction form
    84,011.88/125,993.34 = 69,184.20/x
  3. Step 3: Cross multiply
    84,011.88x = 125,993.34 × 69,184.20
  4. Step 4: Simplify right side
    84,011.88x = 8,716,748,433.23
  5. Step 5: Solve for x
    x = 8,716,748,433.23/84,011.88
  6. Step 6: Final answer
    x = 103,756.14

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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.