Home / 103,232.20-154,848.30-79,904.20

Finding the Fourth Proportional to 103,232.20, 154,848.30 and 79,904.20

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Solution

The fourth proportional to 103,232.20, 154,848.30 and 79,904.20 is: 119,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,232.20 : 154,848.30 = 79,904.20 : x
  2. Step 2: Convert to fraction form
    103,232.20/154,848.30 = 79,904.20/x
  3. Step 3: Cross multiply
    103,232.20x = 154,848.30 × 79,904.20
  4. Step 4: Simplify right side
    103,232.20x = 12,373,029,532.86
  5. Step 5: Solve for x
    x = 12,373,029,532.86/103,232.20
  6. Step 6: Final answer
    x = 119,856.30

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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.