Home / 166,350.45-249,740.19-142,809.28

Finding the Fourth Proportional to 166,350.45, 249,740.19 and 142,809.28

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Solution

The fourth proportional to 166,350.45, 249,740.19 and 142,809.28 is: 214,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,350.45 : 249,740.19 = 142,809.28 : x
  2. Step 2: Convert to fraction form
    166,350.45/249,740.19 = 142,809.28/x
  3. Step 3: Cross multiply
    166,350.45x = 249,740.19 × 142,809.28
  4. Step 4: Simplify right side
    166,350.45x = 35,665,216,598.68
  5. Step 5: Solve for x
    x = 35,665,216,598.68/166,350.45
  6. Step 6: Final answer
    x = 214,398.07

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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.