Home / 145,506.27-218,341.23-56,765.91

Finding the Fourth Proportional to 145,506.27, 218,341.23 and 56,765.91

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Solution

The fourth proportional to 145,506.27, 218,341.23 and 56,765.91 is: 85,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.27 : 218,341.23 = 56,765.91 : x
  2. Step 2: Convert to fraction form
    145,506.27/218,341.23 = 56,765.91/x
  3. Step 3: Cross multiply
    145,506.27x = 218,341.23 × 56,765.91
  4. Step 4: Simplify right side
    145,506.27x = 12,394,338,611.47
  5. Step 5: Solve for x
    x = 12,394,338,611.47/145,506.27
  6. Step 6: Final answer
    x = 85,180.79

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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.