Home / 209,359.04-314,032.68-67,203.20

Finding the Fourth Proportional to 209,359.04, 314,032.68 and 67,203.20

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Solution

The fourth proportional to 209,359.04, 314,032.68 and 67,203.20 is: 100,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,359.04 : 314,032.68 = 67,203.20 : x
  2. Step 2: Convert to fraction form
    209,359.04/314,032.68 = 67,203.20/x
  3. Step 3: Cross multiply
    209,359.04x = 314,032.68 × 67,203.20
  4. Step 4: Simplify right side
    209,359.04x = 21,104,001,000.58
  5. Step 5: Solve for x
    x = 21,104,001,000.58/209,359.04
  6. Step 6: Final answer
    x = 100,802.91

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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.