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Finding the Fourth Proportional to 96,891.56, 145,337.40 and 30,337.40

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Solution

The fourth proportional to 96,891.56, 145,337.40 and 30,337.40 is: 45,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,891.56 : 145,337.40 = 30,337.40 : x
  2. Step 2: Convert to fraction form
    96,891.56/145,337.40 = 30,337.40/x
  3. Step 3: Cross multiply
    96,891.56x = 145,337.40 × 30,337.40
  4. Step 4: Simplify right side
    96,891.56x = 4,409,158,838.76
  5. Step 5: Solve for x
    x = 4,409,158,838.76/96,891.56
  6. Step 6: Final answer
    x = 45,506.12

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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.