Home / 144,999.45-217,490.52-45,145.59

Finding the Fourth Proportional to 144,999.45, 217,490.52 and 45,145.59

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Solution

The fourth proportional to 144,999.45, 217,490.52 and 45,145.59 is: 67,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,999.45 : 217,490.52 = 45,145.59 : x
  2. Step 2: Convert to fraction form
    144,999.45/217,490.52 = 45,145.59/x
  3. Step 3: Cross multiply
    144,999.45x = 217,490.52 × 45,145.59
  4. Step 4: Simplify right side
    144,999.45x = 9,818,737,844.81
  5. Step 5: Solve for x
    x = 9,818,737,844.81/144,999.45
  6. Step 6: Final answer
    x = 67,715.69

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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.