Home / 147,513.25-203,570.72-80,445.25

Finding the Fourth Proportional to 147,513.25, 203,570.72 and 80,445.25

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Solution

The fourth proportional to 147,513.25, 203,570.72 and 80,445.25 is: 111,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.25 : 203,570.72 = 80,445.25 : x
  2. Step 2: Convert to fraction form
    147,513.25/203,570.72 = 80,445.25/x
  3. Step 3: Cross multiply
    147,513.25x = 203,570.72 × 80,445.25
  4. Step 4: Simplify right side
    147,513.25x = 16,376,297,463.08
  5. Step 5: Solve for x
    x = 16,376,297,463.08/147,513.25
  6. Step 6: Final answer
    x = 111,015.77

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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.