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Finding the Fourth Proportional to 95,810.40, 132,215.76 and 53,366.40

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Solution

The fourth proportional to 95,810.40, 132,215.76 and 53,366.40 is: 73,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,810.40 : 132,215.76 = 53,366.40 : x
  2. Step 2: Convert to fraction form
    95,810.40/132,215.76 = 53,366.40/x
  3. Step 3: Cross multiply
    95,810.40x = 132,215.76 × 53,366.40
  4. Step 4: Simplify right side
    95,810.40x = 7,055,879,134.46
  5. Step 5: Solve for x
    x = 7,055,879,134.46/95,810.40
  6. Step 6: Final answer
    x = 73,644.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.