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Finding the Fourth Proportional to 167,011.50, 249,889.50 and 117,188.82

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Solution

The fourth proportional to 167,011.50, 249,889.50 and 117,188.82 is: 175,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,011.50 : 249,889.50 = 117,188.82 : x
  2. Step 2: Convert to fraction form
    167,011.50/249,889.50 = 117,188.82/x
  3. Step 3: Cross multiply
    167,011.50x = 249,889.50 × 117,188.82
  4. Step 4: Simplify right side
    167,011.50x = 29,284,255,635.39
  5. Step 5: Solve for x
    x = 29,284,255,635.39/167,011.50
  6. Step 6: Final answer
    x = 175,342.75

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1.5x scale

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.