Home / 87,457.73-131,186.14-34,155.12

Finding the Fourth Proportional to 87,457.73, 131,186.14 and 34,155.12

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Solution

The fourth proportional to 87,457.73, 131,186.14 and 34,155.12 is: 51,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457.73 : 131,186.14 = 34,155.12 : x
  2. Step 2: Convert to fraction form
    87,457.73/131,186.14 = 34,155.12/x
  3. Step 3: Cross multiply
    87,457.73x = 131,186.14 × 34,155.12
  4. Step 4: Simplify right side
    87,457.73x = 4,480,677,698.11
  5. Step 5: Solve for x
    x = 4,480,677,698.11/87,457.73
  6. Step 6: Final answer
    x = 51,232.50

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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.