Home / 131,706.46-181,754.58-71,277.22

Finding the Fourth Proportional to 131,706.46, 181,754.58 and 71,277.22

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Solution

The fourth proportional to 131,706.46, 181,754.58 and 71,277.22 is: 98,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.46 : 181,754.58 = 71,277.22 : x
  2. Step 2: Convert to fraction form
    131,706.46/181,754.58 = 71,277.22/x
  3. Step 3: Cross multiply
    131,706.46x = 181,754.58 × 71,277.22
  4. Step 4: Simplify right side
    131,706.46x = 12,954,961,184.67
  5. Step 5: Solve for x
    x = 12,954,961,184.67/131,706.46
  6. Step 6: Final answer
    x = 98,362.38

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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.