Home / 97,931.40-146,868.30-38,747.40

Finding the Fourth Proportional to 97,931.40, 146,868.30 and 38,747.40

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Solution

The fourth proportional to 97,931.40, 146,868.30 and 38,747.40 is: 58,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,931.40 : 146,868.30 = 38,747.40 : x
  2. Step 2: Convert to fraction form
    97,931.40/146,868.30 = 38,747.40/x
  3. Step 3: Cross multiply
    97,931.40x = 146,868.30 × 38,747.40
  4. Step 4: Simplify right side
    97,931.40x = 5,690,764,767.42
  5. Step 5: Solve for x
    x = 5,690,764,767.42/97,931.40
  6. Step 6: Final answer
    x = 58,109.71

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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.