Home / 141,928.40-212,892.60-100,456.40

Finding the Fourth Proportional to 141,928.40, 212,892.60 and 100,456.40

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Solution

The fourth proportional to 141,928.40, 212,892.60 and 100,456.40 is: 150,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928.40 : 212,892.60 = 100,456.40 : x
  2. Step 2: Convert to fraction form
    141,928.40/212,892.60 = 100,456.40/x
  3. Step 3: Cross multiply
    141,928.40x = 212,892.60 × 100,456.40
  4. Step 4: Simplify right side
    141,928.40x = 21,386,424,182.64
  5. Step 5: Solve for x
    x = 21,386,424,182.64/141,928.40
  6. Step 6: Final answer
    x = 150,684.60

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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.