Home / 102,916.80-154,294.56-40,633.92

Finding the Fourth Proportional to 102,916.80, 154,294.56 and 40,633.92

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Solution

The fourth proportional to 102,916.80, 154,294.56 and 40,633.92 is: 60,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,916.80 : 154,294.56 = 40,633.92 : x
  2. Step 2: Convert to fraction form
    102,916.80/154,294.56 = 40,633.92/x
  3. Step 3: Cross multiply
    102,916.80x = 154,294.56 × 40,633.92
  4. Step 4: Simplify right side
    102,916.80x = 6,269,592,807.48
  5. Step 5: Solve for x
    x = 6,269,592,807.48/102,916.80
  6. Step 6: Final answer
    x = 60,919.04

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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.