Home / 103,740.64-155,614.08-40,558.24

Finding the Fourth Proportional to 103,740.64, 155,614.08 and 40,558.24

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Solution

The fourth proportional to 103,740.64, 155,614.08 and 40,558.24 is: 60,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740.64 : 155,614.08 = 40,558.24 : x
  2. Step 2: Convert to fraction form
    103,740.64/155,614.08 = 40,558.24/x
  3. Step 3: Cross multiply
    103,740.64x = 155,614.08 × 40,558.24
  4. Step 4: Simplify right side
    103,740.64x = 6,311,433,204.02
  5. Step 5: Solve for x
    x = 6,311,433,204.02/103,740.64
  6. Step 6: Final answer
    x = 60,838.58

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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.