Home / 219,566.81-303,002.40-118,964.81

Finding the Fourth Proportional to 219,566.81, 303,002.40 and 118,964.81

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Solution

The fourth proportional to 219,566.81, 303,002.40 and 118,964.81 is: 164,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,566.81 : 303,002.40 = 118,964.81 : x
  2. Step 2: Convert to fraction form
    219,566.81/303,002.40 = 118,964.81/x
  3. Step 3: Cross multiply
    219,566.81x = 303,002.40 × 118,964.81
  4. Step 4: Simplify right side
    219,566.81x = 36,046,624,149.17
  5. Step 5: Solve for x
    x = 36,046,624,149.17/219,566.81
  6. Step 6: Final answer
    x = 164,171.55

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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.