Home / 131,533.88-181,473.92-80,493.36

Finding the Fourth Proportional to 131,533.88, 181,473.92 and 80,493.36

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Solution

The fourth proportional to 131,533.88, 181,473.92 and 80,493.36 is: 111,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,533.88 : 181,473.92 = 80,493.36 : x
  2. Step 2: Convert to fraction form
    131,533.88/181,473.92 = 80,493.36/x
  3. Step 3: Cross multiply
    131,533.88x = 181,473.92 × 80,493.36
  4. Step 4: Simplify right side
    131,533.88x = 14,607,445,573.17
  5. Step 5: Solve for x
    x = 14,607,445,573.17/131,533.88
  6. Step 6: Final answer
    x = 111,054.62

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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.