Home / 219,161.30-328,515.15-119,110.10

Finding the Fourth Proportional to 219,161.30, 328,515.15 and 119,110.10

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Solution

The fourth proportional to 219,161.30, 328,515.15 and 119,110.10 is: 178,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,161.30 : 328,515.15 = 119,110.10 : x
  2. Step 2: Convert to fraction form
    219,161.30/328,515.15 = 119,110.10/x
  3. Step 3: Cross multiply
    219,161.30x = 328,515.15 × 119,110.10
  4. Step 4: Simplify right side
    219,161.30x = 39,129,472,368.02
  5. Step 5: Solve for x
    x = 39,129,472,368.02/219,161.30
  6. Step 6: Final answer
    x = 178,541.89

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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.