Home / 145,045.41-217,562.64-39,861.64

Finding the Fourth Proportional to 145,045.41, 217,562.64 and 39,861.64

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Solution

The fourth proportional to 145,045.41, 217,562.64 and 39,861.64 is: 59,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,045.41 : 217,562.64 = 39,861.64 : x
  2. Step 2: Convert to fraction form
    145,045.41/217,562.64 = 39,861.64/x
  3. Step 3: Cross multiply
    145,045.41x = 217,562.64 × 39,861.64
  4. Step 4: Simplify right side
    145,045.41x = 8,672,403,633.13
  5. Step 5: Solve for x
    x = 8,672,403,633.13/145,045.41
  6. Step 6: Final answer
    x = 59,790.96

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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.