Home / 101,066.45-151,709.03-56,779.70

Finding the Fourth Proportional to 101,066.45, 151,709.03 and 56,779.70

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Solution

The fourth proportional to 101,066.45, 151,709.03 and 56,779.70 is: 85,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.45 : 151,709.03 = 56,779.70 : x
  2. Step 2: Convert to fraction form
    101,066.45/151,709.03 = 56,779.70/x
  3. Step 3: Cross multiply
    101,066.45x = 151,709.03 × 56,779.70
  4. Step 4: Simplify right side
    101,066.45x = 8,613,992,926.79
  5. Step 5: Solve for x
    x = 8,613,992,926.79/101,066.45
  6. Step 6: Final answer
    x = 85,230.98

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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.