Home / 131,653.83-197,443.05-42,915.09

Finding the Fourth Proportional to 131,653.83, 197,443.05 and 42,915.09

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Solution

The fourth proportional to 131,653.83, 197,443.05 and 42,915.09 is: 64,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,653.83 : 197,443.05 = 42,915.09 : x
  2. Step 2: Convert to fraction form
    131,653.83/197,443.05 = 42,915.09/x
  3. Step 3: Cross multiply
    131,653.83x = 197,443.05 × 42,915.09
  4. Step 4: Simplify right side
    131,653.83x = 8,473,286,260.62
  5. Step 5: Solve for x
    x = 8,473,286,260.62/131,653.83
  6. Step 6: Final answer
    x = 64,360.35

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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.