Home / 144,894.47-217,318.38-39,688.85

Finding the Fourth Proportional to 144,894.47, 217,318.38 and 39,688.85

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Solution

The fourth proportional to 144,894.47, 217,318.38 and 39,688.85 is: 59,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,894.47 : 217,318.38 = 39,688.85 : x
  2. Step 2: Convert to fraction form
    144,894.47/217,318.38 = 39,688.85/x
  3. Step 3: Cross multiply
    144,894.47x = 217,318.38 × 39,688.85
  4. Step 4: Simplify right side
    144,894.47x = 8,625,116,586.06
  5. Step 5: Solve for x
    x = 8,625,116,586.06/144,894.47
  6. Step 6: Final answer
    x = 59,526.89

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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.