Home / 130,001.80-179,485.86-106,185.64

Finding the Fourth Proportional to 130,001.80, 179,485.86 and 106,185.64

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Solution

The fourth proportional to 130,001.80, 179,485.86 and 106,185.64 is: 146,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.80 : 179,485.86 = 106,185.64 : x
  2. Step 2: Convert to fraction form
    130,001.80/179,485.86 = 106,185.64/x
  3. Step 3: Cross multiply
    130,001.80x = 179,485.86 × 106,185.64
  4. Step 4: Simplify right side
    130,001.80x = 19,058,820,915.05
  5. Step 5: Solve for x
    x = 19,058,820,915.05/130,001.80
  6. Step 6: Final answer
    x = 146,604.28

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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.