Home / 141,738.40-212,530.80-58,538.40

Finding the Fourth Proportional to 141,738.40, 212,530.80 and 58,538.40

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Solution

The fourth proportional to 141,738.40, 212,530.80 and 58,538.40 is: 87,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,738.40 : 212,530.80 = 58,538.40 : x
  2. Step 2: Convert to fraction form
    141,738.40/212,530.80 = 58,538.40/x
  3. Step 3: Cross multiply
    141,738.40x = 212,530.80 × 58,538.40
  4. Step 4: Simplify right side
    141,738.40x = 12,441,212,982.72
  5. Step 5: Solve for x
    x = 12,441,212,982.72/141,738.40
  6. Step 6: Final answer
    x = 87,775.88

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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.