Home / 133,916.32-200,889.84-40,427.68

Finding the Fourth Proportional to 133,916.32, 200,889.84 and 40,427.68

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Solution

The fourth proportional to 133,916.32, 200,889.84 and 40,427.68 is: 60,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,916.32 : 200,889.84 = 40,427.68 : x
  2. Step 2: Convert to fraction form
    133,916.32/200,889.84 = 40,427.68/x
  3. Step 3: Cross multiply
    133,916.32x = 200,889.84 × 40,427.68
  4. Step 4: Simplify right side
    133,916.32x = 8,121,510,166.77
  5. Step 5: Solve for x
    x = 8,121,510,166.77/133,916.32
  6. Step 6: Final answer
    x = 60,646.16

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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.