Home / 131,011.96-180,653.43-88,496.68

Finding the Fourth Proportional to 131,011.96, 180,653.43 and 88,496.68

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Solution

The fourth proportional to 131,011.96, 180,653.43 and 88,496.68 is: 122,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011.96 : 180,653.43 = 88,496.68 : x
  2. Step 2: Convert to fraction form
    131,011.96/180,653.43 = 88,496.68/x
  3. Step 3: Cross multiply
    131,011.96x = 180,653.43 × 88,496.68
  4. Step 4: Simplify right side
    131,011.96x = 15,987,228,785.61
  5. Step 5: Solve for x
    x = 15,987,228,785.61/131,011.96
  6. Step 6: Final answer
    x = 122,028.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.