Home / 141,500.79-195,271.07-84,912.21

Finding the Fourth Proportional to 141,500.79, 195,271.07 and 84,912.21

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Solution

The fourth proportional to 141,500.79, 195,271.07 and 84,912.21 is: 117,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,500.79 : 195,271.07 = 84,912.21 : x
  2. Step 2: Convert to fraction form
    141,500.79/195,271.07 = 84,912.21/x
  3. Step 3: Cross multiply
    141,500.79x = 195,271.07 × 84,912.21
  4. Step 4: Simplify right side
    141,500.79x = 16,580,897,678.20
  5. Step 5: Solve for x
    x = 16,580,897,678.20/141,500.79
  6. Step 6: Final answer
    x = 117,178.83

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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.