Home / 102,775.16-154,104.36-61,251.32

Finding the Fourth Proportional to 102,775.16, 154,104.36 and 61,251.32

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Solution

The fourth proportional to 102,775.16, 154,104.36 and 61,251.32 is: 91,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,775.16 : 154,104.36 = 61,251.32 : x
  2. Step 2: Convert to fraction form
    102,775.16/154,104.36 = 61,251.32/x
  3. Step 3: Cross multiply
    102,775.16x = 154,104.36 × 61,251.32
  4. Step 4: Simplify right side
    102,775.16x = 9,439,095,467.76
  5. Step 5: Solve for x
    x = 9,439,095,467.76/102,775.16
  6. Step 6: Final answer
    x = 91,842.19

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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.