Home / 143,259.12-197,698.76-89,575.26

Finding the Fourth Proportional to 143,259.12, 197,698.76 and 89,575.26

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Solution

The fourth proportional to 143,259.12, 197,698.76 and 89,575.26 is: 123,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.12 : 197,698.76 = 89,575.26 : x
  2. Step 2: Convert to fraction form
    143,259.12/197,698.76 = 89,575.26/x
  3. Step 3: Cross multiply
    143,259.12x = 197,698.76 × 89,575.26
  4. Step 4: Simplify right side
    143,259.12x = 17,708,916,975.34
  5. Step 5: Solve for x
    x = 17,708,916,975.34/143,259.12
  6. Step 6: Final answer
    x = 123,614.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.