Home / 186,137.90-279,206.87-130,087.48

Finding the Fourth Proportional to 186,137.90, 279,206.87 and 130,087.48

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Solution

The fourth proportional to 186,137.90, 279,206.87 and 130,087.48 is: 195,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,137.90 : 279,206.87 = 130,087.48 : x
  2. Step 2: Convert to fraction form
    186,137.90/279,206.87 = 130,087.48/x
  3. Step 3: Cross multiply
    186,137.90x = 279,206.87 × 130,087.48
  4. Step 4: Simplify right side
    186,137.90x = 36,321,318,782.29
  5. Step 5: Solve for x
    x = 36,321,318,782.29/186,137.90
  6. Step 6: Final answer
    x = 195,131.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.