Home / 103,769.12-154,666.56-97,863.68

Finding the Fourth Proportional to 103,769.12, 154,666.56 and 97,863.68

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Solution

The fourth proportional to 103,769.12, 154,666.56 and 97,863.68 is: 145,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,769.12 : 154,666.56 = 97,863.68 : x
  2. Step 2: Convert to fraction form
    103,769.12/154,666.56 = 97,863.68/x
  3. Step 3: Cross multiply
    103,769.12x = 154,666.56 × 97,863.68
  4. Step 4: Simplify right side
    103,769.12x = 15,136,238,734.54
  5. Step 5: Solve for x
    x = 15,136,238,734.54/103,769.12
  6. Step 6: Final answer
    x = 145,864.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.