Home / 133,801.24-184,665.90-85,423.84

Finding the Fourth Proportional to 133,801.24, 184,665.90 and 85,423.84

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Solution

The fourth proportional to 133,801.24, 184,665.90 and 85,423.84 is: 117,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,801.24 : 184,665.90 = 85,423.84 : x
  2. Step 2: Convert to fraction form
    133,801.24/184,665.90 = 85,423.84/x
  3. Step 3: Cross multiply
    133,801.24x = 184,665.90 × 85,423.84
  4. Step 4: Simplify right side
    133,801.24x = 15,774,870,295.06
  5. Step 5: Solve for x
    x = 15,774,870,295.06/133,801.24
  6. Step 6: Final answer
    x = 117,897.79

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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.