Home / 102,904.86-154,357.29-67,836.32

Finding the Fourth Proportional to 102,904.86, 154,357.29 and 67,836.32

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Solution

The fourth proportional to 102,904.86, 154,357.29 and 67,836.32 is: 101,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.86 : 154,357.29 = 67,836.32 : x
  2. Step 2: Convert to fraction form
    102,904.86/154,357.29 = 67,836.32/x
  3. Step 3: Cross multiply
    102,904.86x = 154,357.29 × 67,836.32
  4. Step 4: Simplify right side
    102,904.86x = 10,471,029,746.99
  5. Step 5: Solve for x
    x = 10,471,029,746.99/102,904.86
  6. Step 6: Final answer
    x = 101,754.47

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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.