Home / 166,443.60-249,665.40-139,871.55

Finding the Fourth Proportional to 166,443.60, 249,665.40 and 139,871.55

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Solution

The fourth proportional to 166,443.60, 249,665.40 and 139,871.55 is: 209,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,443.60 : 249,665.40 = 139,871.55 : x
  2. Step 2: Convert to fraction form
    166,443.60/249,665.40 = 139,871.55/x
  3. Step 3: Cross multiply
    166,443.60x = 249,665.40 × 139,871.55
  4. Step 4: Simplify right side
    166,443.60x = 34,921,086,479.37
  5. Step 5: Solve for x
    x = 34,921,086,479.37/166,443.60
  6. Step 6: Final answer
    x = 209,807.33

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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.