Home / 143,567.24-215,384.94-45,071.24

Finding the Fourth Proportional to 143,567.24, 215,384.94 and 45,071.24

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Solution

The fourth proportional to 143,567.24, 215,384.94 and 45,071.24 is: 67,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,567.24 : 215,384.94 = 45,071.24 : x
  2. Step 2: Convert to fraction form
    143,567.24/215,384.94 = 45,071.24/x
  3. Step 3: Cross multiply
    143,567.24x = 215,384.94 × 45,071.24
  4. Step 4: Simplify right side
    143,567.24x = 9,707,666,323.13
  5. Step 5: Solve for x
    x = 9,707,666,323.13/143,567.24
  6. Step 6: Final answer
    x = 67,617.56

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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.