Home / 97,159.91-145,739.66-30,605.85

Finding the Fourth Proportional to 97,159.91, 145,739.66 and 30,605.85

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Solution

The fourth proportional to 97,159.91, 145,739.66 and 30,605.85 is: 45,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,159.91 : 145,739.66 = 30,605.85 : x
  2. Step 2: Convert to fraction form
    97,159.91/145,739.66 = 30,605.85/x
  3. Step 3: Cross multiply
    97,159.91x = 145,739.66 × 30,605.85
  4. Step 4: Simplify right side
    97,159.91x = 4,460,486,019.98
  5. Step 5: Solve for x
    x = 4,460,486,019.98/97,159.91
  6. Step 6: Final answer
    x = 45,908.71

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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.