Home / 133,206.53-183,819.55-72,779.26

Finding the Fourth Proportional to 133,206.53, 183,819.55 and 72,779.26

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Solution

The fourth proportional to 133,206.53, 183,819.55 and 72,779.26 is: 100,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,206.53 : 183,819.55 = 72,779.26 : x
  2. Step 2: Convert to fraction form
    133,206.53/183,819.55 = 72,779.26/x
  3. Step 3: Cross multiply
    133,206.53x = 183,819.55 × 72,779.26
  4. Step 4: Simplify right side
    133,206.53x = 13,378,250,181.04
  5. Step 5: Solve for x
    x = 13,378,250,181.04/133,206.53
  6. Step 6: Final answer
    x = 100,432.39

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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.