Home / 112,366.32-168,357.61-61,807.64

Finding the Fourth Proportional to 112,366.32, 168,357.61 and 61,807.64

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Solution

The fourth proportional to 112,366.32, 168,357.61 and 61,807.64 is: 92,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,366.32 : 168,357.61 = 61,807.64 : x
  2. Step 2: Convert to fraction form
    112,366.32/168,357.61 = 61,807.64/x
  3. Step 3: Cross multiply
    112,366.32x = 168,357.61 × 61,807.64
  4. Step 4: Simplify right side
    112,366.32x = 10,405,787,048.29
  5. Step 5: Solve for x
    x = 10,405,787,048.29/112,366.32
  6. Step 6: Final answer
    x = 92,605.93

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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.