Home / 86,272.10-119,027.81-52,269.72

Finding the Fourth Proportional to 86,272.10, 119,027.81 and 52,269.72

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Solution

The fourth proportional to 86,272.10, 119,027.81 and 52,269.72 is: 72,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,272.10 : 119,027.81 = 52,269.72 : x
  2. Step 2: Convert to fraction form
    86,272.10/119,027.81 = 52,269.72/x
  3. Step 3: Cross multiply
    86,272.10x = 119,027.81 × 52,269.72
  4. Step 4: Simplify right side
    86,272.10x = 6,221,550,039.56
  5. Step 5: Solve for x
    x = 6,221,550,039.56/86,272.10
  6. Step 6: Final answer
    x = 72,115.44

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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.