Home / 145,503.94-217,833.31-89,173.65

Finding the Fourth Proportional to 145,503.94, 217,833.31 and 89,173.65

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Solution

The fourth proportional to 145,503.94, 217,833.31 and 89,173.65 is: 133,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,503.94 : 217,833.31 = 89,173.65 : x
  2. Step 2: Convert to fraction form
    145,503.94/217,833.31 = 89,173.65/x
  3. Step 3: Cross multiply
    145,503.94x = 217,833.31 × 89,173.65
  4. Step 4: Simplify right side
    145,503.94x = 19,424,991,121.35
  5. Step 5: Solve for x
    x = 19,424,991,121.35/145,503.94
  6. Step 6: Final answer
    x = 133,501.48

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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.