Home / 219,515.13-302,929.88-118,913.13

Finding the Fourth Proportional to 219,515.13, 302,929.88 and 118,913.13

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Solution

The fourth proportional to 219,515.13, 302,929.88 and 118,913.13 is: 164,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,515.13 : 302,929.88 = 118,913.13 : x
  2. Step 2: Convert to fraction form
    219,515.13/302,929.88 = 118,913.13/x
  3. Step 3: Cross multiply
    219,515.13x = 302,929.88 × 118,913.13
  4. Step 4: Simplify right side
    219,515.13x = 36,022,339,606.76
  5. Step 5: Solve for x
    x = 36,022,339,606.76/219,515.13
  6. Step 6: Final answer
    x = 164,099.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.