Home / 103,015.36-154,592.28-36,455.20

Finding the Fourth Proportional to 103,015.36, 154,592.28 and 36,455.20

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Solution

The fourth proportional to 103,015.36, 154,592.28 and 36,455.20 is: 54,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,015.36 : 154,592.28 = 36,455.20 : x
  2. Step 2: Convert to fraction form
    103,015.36/154,592.28 = 36,455.20/x
  3. Step 3: Cross multiply
    103,015.36x = 154,592.28 × 36,455.20
  4. Step 4: Simplify right side
    103,015.36x = 5,635,692,485.86
  5. Step 5: Solve for x
    x = 5,635,692,485.86/103,015.36
  6. Step 6: Final answer
    x = 54,707.30

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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.