Home / 145,223.14-217,519.26-70,185.92

Finding the Fourth Proportional to 145,223.14, 217,519.26 and 70,185.92

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Solution

The fourth proportional to 145,223.14, 217,519.26 and 70,185.92 is: 105,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,223.14 : 217,519.26 = 70,185.92 : x
  2. Step 2: Convert to fraction form
    145,223.14/217,519.26 = 70,185.92/x
  3. Step 3: Cross multiply
    145,223.14x = 217,519.26 × 70,185.92
  4. Step 4: Simplify right side
    145,223.14x = 15,266,789,510.24
  5. Step 5: Solve for x
    x = 15,266,789,510.24/145,223.14
  6. Step 6: Final answer
    x = 105,126.42

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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.