Home / 166,086.81-249,203.43-87,182.91

Finding the Fourth Proportional to 166,086.81, 249,203.43 and 87,182.91

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Solution

The fourth proportional to 166,086.81, 249,203.43 and 87,182.91 is: 130,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,086.81 : 249,203.43 = 87,182.91 : x
  2. Step 2: Convert to fraction form
    166,086.81/249,203.43 = 87,182.91/x
  3. Step 3: Cross multiply
    166,086.81x = 249,203.43 × 87,182.91
  4. Step 4: Simplify right side
    166,086.81x = 21,726,280,209.38
  5. Step 5: Solve for x
    x = 21,726,280,209.38/166,086.81
  6. Step 6: Final answer
    x = 130,812.80

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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.