Home / 147,279.72-203,210.73-86,845.62

Finding the Fourth Proportional to 147,279.72, 203,210.73 and 86,845.62

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Solution

The fourth proportional to 147,279.72, 203,210.73 and 86,845.62 is: 119,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,279.72 : 203,210.73 = 86,845.62 : x
  2. Step 2: Convert to fraction form
    147,279.72/203,210.73 = 86,845.62/x
  3. Step 3: Cross multiply
    147,279.72x = 203,210.73 × 86,845.62
  4. Step 4: Simplify right side
    147,279.72x = 17,647,961,837.50
  5. Step 5: Solve for x
    x = 17,647,961,837.50/147,279.72
  6. Step 6: Final answer
    x = 119,826.15

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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.