Home / 131,760.42-181,657.80-83,996.34

Finding the Fourth Proportional to 131,760.42, 181,657.80 and 83,996.34

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Solution

The fourth proportional to 131,760.42, 181,657.80 and 83,996.34 is: 115,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.42 : 181,657.80 = 83,996.34 : x
  2. Step 2: Convert to fraction form
    131,760.42/181,657.80 = 83,996.34/x
  3. Step 3: Cross multiply
    131,760.42x = 181,657.80 × 83,996.34
  4. Step 4: Simplify right side
    131,760.42x = 15,258,590,332.45
  5. Step 5: Solve for x
    x = 15,258,590,332.45/131,760.42
  6. Step 6: Final answer
    x = 115,805.57

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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.