Home / 133,671.75-184,488.90-76,313.45

Finding the Fourth Proportional to 133,671.75, 184,488.90 and 76,313.45

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Solution

The fourth proportional to 133,671.75, 184,488.90 and 76,313.45 is: 105,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,671.75 : 184,488.90 = 76,313.45 : x
  2. Step 2: Convert to fraction form
    133,671.75/184,488.90 = 76,313.45/x
  3. Step 3: Cross multiply
    133,671.75x = 184,488.90 × 76,313.45
  4. Step 4: Simplify right side
    133,671.75x = 14,078,984,620.75
  5. Step 5: Solve for x
    x = 14,078,984,620.75/133,671.75
  6. Step 6: Final answer
    x = 105,325.06

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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.