Home / 219,426.93-328,943.34-79,152.75

Finding the Fourth Proportional to 219,426.93, 328,943.34 and 79,152.75

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Solution

The fourth proportional to 219,426.93, 328,943.34 and 79,152.75 is: 118,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,426.93 : 328,943.34 = 79,152.75 : x
  2. Step 2: Convert to fraction form
    219,426.93/328,943.34 = 79,152.75/x
  3. Step 3: Cross multiply
    219,426.93x = 328,943.34 × 79,152.75
  4. Step 4: Simplify right side
    219,426.93x = 26,036,769,955.19
  5. Step 5: Solve for x
    x = 26,036,769,955.19/219,426.93
  6. Step 6: Final answer
    x = 118,658.04

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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.