Home / 147,637.32-203,739.40-80,569.32

Finding the Fourth Proportional to 147,637.32, 203,739.40 and 80,569.32

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Solution

The fourth proportional to 147,637.32, 203,739.40 and 80,569.32 is: 111,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,637.32 : 203,739.40 = 80,569.32 : x
  2. Step 2: Convert to fraction form
    147,637.32/203,739.40 = 80,569.32/x
  3. Step 3: Cross multiply
    147,637.32x = 203,739.40 × 80,569.32
  4. Step 4: Simplify right side
    147,637.32x = 16,415,144,915.21
  5. Step 5: Solve for x
    x = 16,415,144,915.21/147,637.32
  6. Step 6: Final answer
    x = 111,185.61

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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.