Home / 131,674.04-181,708.88-71,243.35

Finding the Fourth Proportional to 131,674.04, 181,708.88 and 71,243.35

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Solution

The fourth proportional to 131,674.04, 181,708.88 and 71,243.35 is: 98,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,674.04 : 181,708.88 = 71,243.35 : x
  2. Step 2: Convert to fraction form
    131,674.04/181,708.88 = 71,243.35/x
  3. Step 3: Cross multiply
    131,674.04x = 181,708.88 × 71,243.35
  4. Step 4: Simplify right side
    131,674.04x = 12,945,549,725.43
  5. Step 5: Solve for x
    x = 12,945,549,725.43/131,674.04
  6. Step 6: Final answer
    x = 98,315.13

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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.