Home / 266,124.03-399,238.60-97,645.75

Finding the Fourth Proportional to 266,124.03, 399,238.60 and 97,645.75

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Solution

The fourth proportional to 266,124.03, 399,238.60 and 97,645.75 is: 146,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,124.03 : 399,238.60 = 97,645.75 : x
  2. Step 2: Convert to fraction form
    266,124.03/399,238.60 = 97,645.75/x
  3. Step 3: Cross multiply
    266,124.03x = 399,238.60 × 97,645.75
  4. Step 4: Simplify right side
    266,124.03x = 38,983,953,437.91
  5. Step 5: Solve for x
    x = 38,983,953,437.91/266,124.03
  6. Step 6: Final answer
    x = 146,487.91

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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.