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Finding the Fourth Proportional to 88,124.10, 132,186.15 and 70,628.10

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Solution

The fourth proportional to 88,124.10, 132,186.15 and 70,628.10 is: 105,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.10 : 132,186.15 = 70,628.10 : x
  2. Step 2: Convert to fraction form
    88,124.10/132,186.15 = 70,628.10/x
  3. Step 3: Cross multiply
    88,124.10x = 132,186.15 × 70,628.10
  4. Step 4: Simplify right side
    88,124.10x = 9,336,056,620.82
  5. Step 5: Solve for x
    x = 9,336,056,620.82/88,124.10
  6. Step 6: Final answer
    x = 105,942.15

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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.