Home / 202,158.30-302,991.47-143,011.02

Finding the Fourth Proportional to 202,158.30, 302,991.47 and 143,011.02

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Solution

The fourth proportional to 202,158.30, 302,991.47 and 143,011.02 is: 214,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.30 : 302,991.47 = 143,011.02 : x
  2. Step 2: Convert to fraction form
    202,158.30/302,991.47 = 143,011.02/x
  3. Step 3: Cross multiply
    202,158.30x = 302,991.47 × 143,011.02
  4. Step 4: Simplify right side
    202,158.30x = 43,331,119,176.00
  5. Step 5: Solve for x
    x = 43,331,119,176.00/202,158.30
  6. Step 6: Final answer
    x = 214,342.52

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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.