Home / 145,934.70-218,885.85-40,764.30

Finding the Fourth Proportional to 145,934.70, 218,885.85 and 40,764.30

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Solution

The fourth proportional to 145,934.70, 218,885.85 and 40,764.30 is: 61,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,934.70 : 218,885.85 = 40,764.30 : x
  2. Step 2: Convert to fraction form
    145,934.70/218,885.85 = 40,764.30/x
  3. Step 3: Cross multiply
    145,934.70x = 218,885.85 × 40,764.30
  4. Step 4: Simplify right side
    145,934.70x = 8,922,728,455.16
  5. Step 5: Solve for x
    x = 8,922,728,455.16/145,934.70
  6. Step 6: Final answer
    x = 61,141.92

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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.