Home / 87,409.73-131,114.75-37,457.43

Finding the Fourth Proportional to 87,409.73, 131,114.75 and 37,457.43

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Solution

The fourth proportional to 87,409.73, 131,114.75 and 37,457.43 is: 56,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.73 : 131,114.75 = 37,457.43 : x
  2. Step 2: Convert to fraction form
    87,409.73/131,114.75 = 37,457.43/x
  3. Step 3: Cross multiply
    87,409.73x = 131,114.75 × 37,457.43
  4. Step 4: Simplify right side
    87,409.73x = 4,911,221,570.09
  5. Step 5: Solve for x
    x = 4,911,221,570.09/87,409.73
  6. Step 6: Final answer
    x = 56,186.21

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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.