Home / 131,846.04-181,947.56-71,416.50

Finding the Fourth Proportional to 131,846.04, 181,947.56 and 71,416.50

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Solution

The fourth proportional to 131,846.04, 181,947.56 and 71,416.50 is: 98,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.04 : 181,947.56 = 71,416.50 : x
  2. Step 2: Convert to fraction form
    131,846.04/181,947.56 = 71,416.50/x
  3. Step 3: Cross multiply
    131,846.04x = 181,947.56 × 71,416.50
  4. Step 4: Simplify right side
    131,846.04x = 12,994,057,561.66
  5. Step 5: Solve for x
    x = 12,994,057,561.66/131,846.04
  6. Step 6: Final answer
    x = 98,554.78

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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.