Home / 89,504.10-134,172.30-30,298.32

Finding the Fourth Proportional to 89,504.10, 134,172.30 and 30,298.32

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Solution

The fourth proportional to 89,504.10, 134,172.30 and 30,298.32 is: 45,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.10 : 134,172.30 = 30,298.32 : x
  2. Step 2: Convert to fraction form
    89,504.10/134,172.30 = 30,298.32/x
  3. Step 3: Cross multiply
    89,504.10x = 134,172.30 × 30,298.32
  4. Step 4: Simplify right side
    89,504.10x = 4,065,195,280.54
  5. Step 5: Solve for x
    x = 4,065,195,280.54/89,504.10
  6. Step 6: Final answer
    x = 45,419.10

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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.