Home / 219,100.75-302,359.04-118,498.75

Finding the Fourth Proportional to 219,100.75, 302,359.04 and 118,498.75

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Solution

The fourth proportional to 219,100.75, 302,359.04 and 118,498.75 is: 163,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,100.75 : 302,359.04 = 118,498.75 : x
  2. Step 2: Convert to fraction form
    219,100.75/302,359.04 = 118,498.75/x
  3. Step 3: Cross multiply
    219,100.75x = 302,359.04 × 118,498.75
  4. Step 4: Simplify right side
    219,100.75x = 35,829,168,291.20
  5. Step 5: Solve for x
    x = 35,829,168,291.20/219,100.75
  6. Step 6: Final answer
    x = 163,528.28

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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.