Home / 145,289.11-217,933.33-38,673.09

Finding the Fourth Proportional to 145,289.11, 217,933.33 and 38,673.09

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Solution

The fourth proportional to 145,289.11, 217,933.33 and 38,673.09 is: 58,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,289.11 : 217,933.33 = 38,673.09 : x
  2. Step 2: Convert to fraction form
    145,289.11/217,933.33 = 38,673.09/x
  3. Step 3: Cross multiply
    145,289.11x = 217,933.33 × 38,673.09
  4. Step 4: Simplify right side
    145,289.11x = 8,428,155,285.09
  5. Step 5: Solve for x
    x = 8,428,155,285.09/145,289.11
  6. Step 6: Final answer
    x = 58,009.55

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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.