Home / 133,521.08-184,200.46-79,779.20

Finding the Fourth Proportional to 133,521.08, 184,200.46 and 79,779.20

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Solution

The fourth proportional to 133,521.08, 184,200.46 and 79,779.20 is: 110,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,521.08 : 184,200.46 = 79,779.20 : x
  2. Step 2: Convert to fraction form
    133,521.08/184,200.46 = 79,779.20/x
  3. Step 3: Cross multiply
    133,521.08x = 184,200.46 × 79,779.20
  4. Step 4: Simplify right side
    133,521.08x = 14,695,365,338.43
  5. Step 5: Solve for x
    x = 14,695,365,338.43/133,521.08
  6. Step 6: Final answer
    x = 110,060.26

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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.