Home / 95,549.20-143,126.70-55,986.40

Finding the Fourth Proportional to 95,549.20, 143,126.70 and 55,986.40

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Solution

The fourth proportional to 95,549.20, 143,126.70 and 55,986.40 is: 83,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,549.20 : 143,126.70 = 55,986.40 : x
  2. Step 2: Convert to fraction form
    95,549.20/143,126.70 = 55,986.40/x
  3. Step 3: Cross multiply
    95,549.20x = 143,126.70 × 55,986.40
  4. Step 4: Simplify right side
    95,549.20x = 8,013,148,676.88
  5. Step 5: Solve for x
    x = 8,013,148,676.88/95,549.20
  6. Step 6: Final answer
    x = 83,864.11

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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.