Home / 170,280.72-255,419.64-57,972.42

Finding the Fourth Proportional to 170,280.72, 255,419.64 and 57,972.42

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Solution

The fourth proportional to 170,280.72, 255,419.64 and 57,972.42 is: 86,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.72 : 255,419.64 = 57,972.42 : x
  2. Step 2: Convert to fraction form
    170,280.72/255,419.64 = 57,972.42/x
  3. Step 3: Cross multiply
    170,280.72x = 255,419.64 × 57,972.42
  4. Step 4: Simplify right side
    170,280.72x = 14,807,294,646.33
  5. Step 5: Solve for x
    x = 14,807,294,646.33/170,280.72
  6. Step 6: Final answer
    x = 86,958.14

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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.