Home / 151,623.20-209,235.48-84,555.20

Finding the Fourth Proportional to 151,623.20, 209,235.48 and 84,555.20

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Solution

The fourth proportional to 151,623.20, 209,235.48 and 84,555.20 is: 116,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,623.20 : 209,235.48 = 84,555.20 : x
  2. Step 2: Convert to fraction form
    151,623.20/209,235.48 = 84,555.20/x
  3. Step 3: Cross multiply
    151,623.20x = 209,235.48 × 84,555.20
  4. Step 4: Simplify right side
    151,623.20x = 17,691,947,858.50
  5. Step 5: Solve for x
    x = 17,691,947,858.50/151,623.20
  6. Step 6: Final answer
    x = 116,683.65

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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.