Home / 102,973.50-154,461.17-40,644

Finding the Fourth Proportional to 102,973.50, 154,461.17 and 40,644

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Solution

The fourth proportional to 102,973.50, 154,461.17 and 40,644 is: 60,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,973.50 : 154,461.17 = 40,644 : x
  2. Step 2: Convert to fraction form
    102,973.50/154,461.17 = 40,644/x
  3. Step 3: Cross multiply
    102,973.50x = 154,461.17 × 40,644
  4. Step 4: Simplify right side
    102,973.50x = 6,277,919,895.09
  5. Step 5: Solve for x
    x = 6,277,919,895.09/102,973.50
  6. Step 6: Final answer
    x = 60,966.36

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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.