Home / 133,453.85-184,062.30-85,711.64

Finding the Fourth Proportional to 133,453.85, 184,062.30 and 85,711.64

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Solution

The fourth proportional to 133,453.85, 184,062.30 and 85,711.64 is: 118,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,453.85 : 184,062.30 = 85,711.64 : x
  2. Step 2: Convert to fraction form
    133,453.85/184,062.30 = 85,711.64/x
  3. Step 3: Cross multiply
    133,453.85x = 184,062.30 × 85,711.64
  4. Step 4: Simplify right side
    133,453.85x = 15,776,281,595.17
  5. Step 5: Solve for x
    x = 15,776,281,595.17/133,453.85
  6. Step 6: Final answer
    x = 118,215.26

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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.