Home / 108,178.79-149,285.97-60,432.12

Finding the Fourth Proportional to 108,178.79, 149,285.97 and 60,432.12

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Solution

The fourth proportional to 108,178.79, 149,285.97 and 60,432.12 is: 83,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,178.79 : 149,285.97 = 60,432.12 : x
  2. Step 2: Convert to fraction form
    108,178.79/149,285.97 = 60,432.12/x
  3. Step 3: Cross multiply
    108,178.79x = 149,285.97 × 60,432.12
  4. Step 4: Simplify right side
    108,178.79x = 9,021,667,653.36
  5. Step 5: Solve for x
    x = 9,021,667,653.36/108,178.79
  6. Step 6: Final answer
    x = 83,395.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.