Home / 76,188.16-113,818.93-49,315.24

Finding the Fourth Proportional to 76,188.16, 113,818.93 and 49,315.24

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Solution

The fourth proportional to 76,188.16, 113,818.93 and 49,315.24 is: 73,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,188.16 : 113,818.93 = 49,315.24 : x
  2. Step 2: Convert to fraction form
    76,188.16/113,818.93 = 49,315.24/x
  3. Step 3: Cross multiply
    76,188.16x = 113,818.93 × 49,315.24
  4. Step 4: Simplify right side
    76,188.16x = 5,613,007,849.49
  5. Step 5: Solve for x
    x = 5,613,007,849.49/76,188.16
  6. Step 6: Final answer
    x = 73,672.97

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1.5x scale

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.