Home / 166,740.63-249,931.58-72,015.38

Finding the Fourth Proportional to 166,740.63, 249,931.58 and 72,015.38

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Solution

The fourth proportional to 166,740.63, 249,931.58 and 72,015.38 is: 107,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,740.63 : 249,931.58 = 72,015.38 : x
  2. Step 2: Convert to fraction form
    166,740.63/249,931.58 = 72,015.38/x
  3. Step 3: Cross multiply
    166,740.63x = 249,931.58 × 72,015.38
  4. Step 4: Simplify right side
    166,740.63x = 17,998,917,035.21
  5. Step 5: Solve for x
    x = 17,998,917,035.21/166,740.63
  6. Step 6: Final answer
    x = 107,945.60

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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.