Home / 131,375.16-179,984.63-126,455.13

Finding the Fourth Proportional to 131,375.16, 179,984.63 and 126,455.13

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Solution

The fourth proportional to 131,375.16, 179,984.63 and 126,455.13 is: 173,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,375.16 : 179,984.63 = 126,455.13 : x
  2. Step 2: Convert to fraction form
    131,375.16/179,984.63 = 126,455.13/x
  3. Step 3: Cross multiply
    131,375.16x = 179,984.63 × 126,455.13
  4. Step 4: Simplify right side
    131,375.16x = 22,759,980,100.79
  5. Step 5: Solve for x
    x = 22,759,980,100.79/131,375.16
  6. Step 6: Final answer
    x = 173,244.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.