Home / 133,434.16-184,161.72-76,835.12

Finding the Fourth Proportional to 133,434.16, 184,161.72 and 76,835.12

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Solution

The fourth proportional to 133,434.16, 184,161.72 and 76,835.12 is: 106,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,434.16 : 184,161.72 = 76,835.12 : x
  2. Step 2: Convert to fraction form
    133,434.16/184,161.72 = 76,835.12/x
  3. Step 3: Cross multiply
    133,434.16x = 184,161.72 × 76,835.12
  4. Step 4: Simplify right side
    133,434.16x = 14,150,087,855.61
  5. Step 5: Solve for x
    x = 14,150,087,855.61/133,434.16
  6. Step 6: Final answer
    x = 106,045.47

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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.