Home / 103,567.20-154,110.36-103,217.28

Finding the Fourth Proportional to 103,567.20, 154,110.36 and 103,217.28

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Solution

The fourth proportional to 103,567.20, 154,110.36 and 103,217.28 is: 153,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.20 : 154,110.36 = 103,217.28 : x
  2. Step 2: Convert to fraction form
    103,567.20/154,110.36 = 103,217.28/x
  3. Step 3: Cross multiply
    103,567.20x = 154,110.36 × 103,217.28
  4. Step 4: Simplify right side
    103,567.20x = 15,906,852,179.02
  5. Step 5: Solve for x
    x = 15,906,852,179.02/103,567.20
  6. Step 6: Final answer
    x = 153,589.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.