Home / 104,725.65-144,522.03-56,979.36

Finding the Fourth Proportional to 104,725.65, 144,522.03 and 56,979.36

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Solution

The fourth proportional to 104,725.65, 144,522.03 and 56,979.36 is: 78,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725.65 : 144,522.03 = 56,979.36 : x
  2. Step 2: Convert to fraction form
    104,725.65/144,522.03 = 56,979.36/x
  3. Step 3: Cross multiply
    104,725.65x = 144,522.03 × 56,979.36
  4. Step 4: Simplify right side
    104,725.65x = 8,234,772,775.30
  5. Step 5: Solve for x
    x = 8,234,772,775.30/104,725.65
  6. Step 6: Final answer
    x = 78,631.86

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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.