Home / 145,289.59-217,934.04-38,673.55

Finding the Fourth Proportional to 145,289.59, 217,934.04 and 38,673.55

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Solution

The fourth proportional to 145,289.59, 217,934.04 and 38,673.55 is: 58,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,289.59 : 217,934.04 = 38,673.55 : x
  2. Step 2: Convert to fraction form
    145,289.59/217,934.04 = 38,673.55/x
  3. Step 3: Cross multiply
    145,289.59x = 217,934.04 × 38,673.55
  4. Step 4: Simplify right side
    145,289.59x = 8,428,282,992.64
  5. Step 5: Solve for x
    x = 8,428,282,992.64/145,289.59
  6. Step 6: Final answer
    x = 58,010.23

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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.