Home / 87,416.40-131,254.20-52,424.40

Finding the Fourth Proportional to 87,416.40, 131,254.20 and 52,424.40

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Solution

The fourth proportional to 87,416.40, 131,254.20 and 52,424.40 is: 78,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.40 : 131,254.20 = 52,424.40 : x
  2. Step 2: Convert to fraction form
    87,416.40/131,254.20 = 52,424.40/x
  3. Step 3: Cross multiply
    87,416.40x = 131,254.20 × 52,424.40
  4. Step 4: Simplify right side
    87,416.40x = 6,880,922,682.48
  5. Step 5: Solve for x
    x = 6,880,922,682.48/87,416.40
  6. Step 6: Final answer
    x = 78,714.32

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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.