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Finding the Fourth Proportional to 97,813.36, 146,729.76 and 35,488.72

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Solution

The fourth proportional to 97,813.36, 146,729.76 and 35,488.72 is: 53,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,813.36 : 146,729.76 = 35,488.72 : x
  2. Step 2: Convert to fraction form
    97,813.36/146,729.76 = 35,488.72/x
  3. Step 3: Cross multiply
    97,813.36x = 146,729.76 × 35,488.72
  4. Step 4: Simplify right side
    97,813.36x = 5,207,251,368.31
  5. Step 5: Solve for x
    x = 5,207,251,368.31/97,813.36
  6. Step 6: Final answer
    x = 53,236.61

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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.