Home / 141,868.27-212,658.81-91,980.07

Finding the Fourth Proportional to 141,868.27, 212,658.81 and 91,980.07

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Solution

The fourth proportional to 141,868.27, 212,658.81 and 91,980.07 is: 137,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,868.27 : 212,658.81 = 91,980.07 : x
  2. Step 2: Convert to fraction form
    141,868.27/212,658.81 = 91,980.07/x
  3. Step 3: Cross multiply
    141,868.27x = 212,658.81 × 91,980.07
  4. Step 4: Simplify right side
    141,868.27x = 19,560,372,229.92
  5. Step 5: Solve for x
    x = 19,560,372,229.92/141,868.27
  6. Step 6: Final answer
    x = 137,877.01

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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.