Home / 219,329.10-302,671.35-118,727.10

Finding the Fourth Proportional to 219,329.10, 302,671.35 and 118,727.10

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Solution

The fourth proportional to 219,329.10, 302,671.35 and 118,727.10 is: 163,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,329.10 : 302,671.35 = 118,727.10 : x
  2. Step 2: Convert to fraction form
    219,329.10/302,671.35 = 118,727.10/x
  3. Step 3: Cross multiply
    219,329.10x = 302,671.35 × 118,727.10
  4. Step 4: Simplify right side
    219,329.10x = 35,935,291,638.59
  5. Step 5: Solve for x
    x = 35,935,291,638.59/219,329.10
  6. Step 6: Final answer
    x = 163,841.88

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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.