Home / 191,721.20-264,575.52-106,836.40

Finding the Fourth Proportional to 191,721.20, 264,575.52 and 106,836.40

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Solution

The fourth proportional to 191,721.20, 264,575.52 and 106,836.40 is: 147,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,721.20 : 264,575.52 = 106,836.40 : x
  2. Step 2: Convert to fraction form
    191,721.20/264,575.52 = 106,836.40/x
  3. Step 3: Cross multiply
    191,721.20x = 264,575.52 × 106,836.40
  4. Step 4: Simplify right side
    191,721.20x = 28,266,296,084.93
  5. Step 5: Solve for x
    x = 28,266,296,084.93/191,721.20
  6. Step 6: Final answer
    x = 147,434.38

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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.