Home / 87,504.40-131,256.60-70,008.40

Finding the Fourth Proportional to 87,504.40, 131,256.60 and 70,008.40

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Solution

The fourth proportional to 87,504.40, 131,256.60 and 70,008.40 is: 105,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,504.40 : 131,256.60 = 70,008.40 : x
  2. Step 2: Convert to fraction form
    87,504.40/131,256.60 = 70,008.40/x
  3. Step 3: Cross multiply
    87,504.40x = 131,256.60 × 70,008.40
  4. Step 4: Simplify right side
    87,504.40x = 9,189,064,555.44
  5. Step 5: Solve for x
    x = 9,189,064,555.44/87,504.40
  6. Step 6: Final answer
    x = 105,012.60

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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.