Home / 95,421.60-143,132.40-80,659.35

Finding the Fourth Proportional to 95,421.60, 143,132.40 and 80,659.35

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Solution

The fourth proportional to 95,421.60, 143,132.40 and 80,659.35 is: 120,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.60 : 143,132.40 = 80,659.35 : x
  2. Step 2: Convert to fraction form
    95,421.60/143,132.40 = 80,659.35/x
  3. Step 3: Cross multiply
    95,421.60x = 143,132.40 × 80,659.35
  4. Step 4: Simplify right side
    95,421.60x = 11,544,966,347.94
  5. Step 5: Solve for x
    x = 11,544,966,347.94/95,421.60
  6. Step 6: Final answer
    x = 120,989.03

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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.