Home / 166,115.61-249,164.69-47,782.31

Finding the Fourth Proportional to 166,115.61, 249,164.69 and 47,782.31

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Solution

The fourth proportional to 166,115.61, 249,164.69 and 47,782.31 is: 71,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,115.61 : 249,164.69 = 47,782.31 : x
  2. Step 2: Convert to fraction form
    166,115.61/249,164.69 = 47,782.31/x
  3. Step 3: Cross multiply
    166,115.61x = 249,164.69 × 47,782.31
  4. Step 4: Simplify right side
    166,115.61x = 11,905,662,973.90
  5. Step 5: Solve for x
    x = 11,905,662,973.90/166,115.61
  6. Step 6: Final answer
    x = 71,670.95

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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.