Home / 97,744.86-146,614.73-31,189.05

Finding the Fourth Proportional to 97,744.86, 146,614.73 and 31,189.05

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Solution

The fourth proportional to 97,744.86, 146,614.73 and 31,189.05 is: 46,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,744.86 : 146,614.73 = 31,189.05 : x
  2. Step 2: Convert to fraction form
    97,744.86/146,614.73 = 31,189.05/x
  3. Step 3: Cross multiply
    97,744.86x = 146,614.73 × 31,189.05
  4. Step 4: Simplify right side
    97,744.86x = 4,572,773,988.76
  5. Step 5: Solve for x
    x = 4,572,773,988.76/97,744.86
  6. Step 6: Final answer
    x = 46,782.76

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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.