Home / 83,134.96-124,701-26,976.64

Finding the Fourth Proportional to 83,134.96, 124,701 and 26,976.64

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Solution

The fourth proportional to 83,134.96, 124,701 and 26,976.64 is: 40,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.96 : 124,701 = 26,976.64 : x
  2. Step 2: Convert to fraction form
    83,134.96/124,701 = 26,976.64/x
  3. Step 3: Cross multiply
    83,134.96x = 124,701 × 26,976.64
  4. Step 4: Simplify right side
    83,134.96x = 3,364,013,984.64
  5. Step 5: Solve for x
    x = 3,364,013,984.64/83,134.96
  6. Step 6: Final answer
    x = 40,464.49

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1.5x scale

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.