Home / 133,038.32-183,591.24-72,609.92

Finding the Fourth Proportional to 133,038.32, 183,591.24 and 72,609.92

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Solution

The fourth proportional to 133,038.32, 183,591.24 and 72,609.92 is: 100,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.32 : 183,591.24 = 72,609.92 : x
  2. Step 2: Convert to fraction form
    133,038.32/183,591.24 = 72,609.92/x
  3. Step 3: Cross multiply
    133,038.32x = 183,591.24 × 72,609.92
  4. Step 4: Simplify right side
    133,038.32x = 13,330,545,249.10
  5. Step 5: Solve for x
    x = 13,330,545,249.10/133,038.32
  6. Step 6: Final answer
    x = 100,200.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.