Home / 89,184.30-133,790.28-30,015.35

Finding the Fourth Proportional to 89,184.30, 133,790.28 and 30,015.35

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Solution

The fourth proportional to 89,184.30, 133,790.28 and 30,015.35 is: 45,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.30 : 133,790.28 = 30,015.35 : x
  2. Step 2: Convert to fraction form
    89,184.30/133,790.28 = 30,015.35/x
  3. Step 3: Cross multiply
    89,184.30x = 133,790.28 × 30,015.35
  4. Step 4: Simplify right side
    89,184.30x = 4,015,762,080.80
  5. Step 5: Solve for x
    x = 4,015,762,080.80/89,184.30
  6. Step 6: Final answer
    x = 45,027.68

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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.