Home / 131,706.10-181,734.85-79,996.28

Finding the Fourth Proportional to 131,706.10, 181,734.85 and 79,996.28

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Solution

The fourth proportional to 131,706.10, 181,734.85 and 79,996.28 is: 110,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.10 : 181,734.85 = 79,996.28 : x
  2. Step 2: Convert to fraction form
    131,706.10/181,734.85 = 79,996.28/x
  3. Step 3: Cross multiply
    131,706.10x = 181,734.85 × 79,996.28
  4. Step 4: Simplify right side
    131,706.10x = 14,538,111,946.36
  5. Step 5: Solve for x
    x = 14,538,111,946.36/131,706.10
  6. Step 6: Final answer
    x = 110,382.98

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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.