Home / 166,352.45-249,743.19-142,811.28

Finding the Fourth Proportional to 166,352.45, 249,743.19 and 142,811.28

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Solution

The fourth proportional to 166,352.45, 249,743.19 and 142,811.28 is: 214,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,352.45 : 249,743.19 = 142,811.28 : x
  2. Step 2: Convert to fraction form
    166,352.45/249,743.19 = 142,811.28/x
  3. Step 3: Cross multiply
    166,352.45x = 249,743.19 × 142,811.28
  4. Step 4: Simplify right side
    166,352.45x = 35,666,144,635.18
  5. Step 5: Solve for x
    x = 35,666,144,635.18/166,352.45
  6. Step 6: Final answer
    x = 214,401.08

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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.