Home / 133,260.32-183,877.08-79,567.04

Finding the Fourth Proportional to 133,260.32, 183,877.08 and 79,567.04

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Solution

The fourth proportional to 133,260.32, 183,877.08 and 79,567.04 is: 109,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,260.32 : 183,877.08 = 79,567.04 : x
  2. Step 2: Convert to fraction form
    133,260.32/183,877.08 = 79,567.04/x
  3. Step 3: Cross multiply
    133,260.32x = 183,877.08 × 79,567.04
  4. Step 4: Simplify right side
    133,260.32x = 14,630,554,979.44
  5. Step 5: Solve for x
    x = 14,630,554,979.44/133,260.32
  6. Step 6: Final answer
    x = 109,789.28

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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.