Home / 166,209.50-249,141.83-77,389.97

Finding the Fourth Proportional to 166,209.50, 249,141.83 and 77,389.97

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Solution

The fourth proportional to 166,209.50, 249,141.83 and 77,389.97 is: 116,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,209.50 : 249,141.83 = 77,389.97 : x
  2. Step 2: Convert to fraction form
    166,209.50/249,141.83 = 77,389.97/x
  3. Step 3: Cross multiply
    166,209.50x = 249,141.83 × 77,389.97
  4. Step 4: Simplify right side
    166,209.50x = 19,281,077,116.79
  5. Step 5: Solve for x
    x = 19,281,077,116.79/166,209.50
  6. Step 6: Final answer
    x = 116,004.66

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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.