Home / 142,060.56-196,052.40-80,810.32

Finding the Fourth Proportional to 142,060.56, 196,052.40 and 80,810.32

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Solution

The fourth proportional to 142,060.56, 196,052.40 and 80,810.32 is: 111,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.56 : 196,052.40 = 80,810.32 : x
  2. Step 2: Convert to fraction form
    142,060.56/196,052.40 = 80,810.32/x
  3. Step 3: Cross multiply
    142,060.56x = 196,052.40 × 80,810.32
  4. Step 4: Simplify right side
    142,060.56x = 15,843,057,180.77
  5. Step 5: Solve for x
    x = 15,843,057,180.77/142,060.56
  6. Step 6: Final answer
    x = 111,523.26

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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.