Home / 97,686.42-146,528.03-31,125.65

Finding the Fourth Proportional to 97,686.42, 146,528.03 and 31,125.65

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Solution

The fourth proportional to 97,686.42, 146,528.03 and 31,125.65 is: 46,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,686.42 : 146,528.03 = 31,125.65 : x
  2. Step 2: Convert to fraction form
    97,686.42/146,528.03 = 31,125.65/x
  3. Step 3: Cross multiply
    97,686.42x = 146,528.03 × 31,125.65
  4. Step 4: Simplify right side
    97,686.42x = 4,560,780,176.97
  5. Step 5: Solve for x
    x = 4,560,780,176.97/97,686.42
  6. Step 6: Final answer
    x = 46,687.97

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1.5x scale

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.