Home / 102,904.49-154,356.60-67,588.76

Finding the Fourth Proportional to 102,904.49, 154,356.60 and 67,588.76

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Solution

The fourth proportional to 102,904.49, 154,356.60 and 67,588.76 is: 101,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.49 : 154,356.60 = 67,588.76 : x
  2. Step 2: Convert to fraction form
    102,904.49/154,356.60 = 67,588.76/x
  3. Step 3: Cross multiply
    102,904.49x = 154,356.60 × 67,588.76
  4. Step 4: Simplify right side
    102,904.49x = 10,432,771,191.82
  5. Step 5: Solve for x
    x = 10,432,771,191.82/102,904.49
  6. Step 6: Final answer
    x = 101,383.05

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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.