Home / 102,158.42-140,984.96-56,846.51

Finding the Fourth Proportional to 102,158.42, 140,984.96 and 56,846.51

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Solution

The fourth proportional to 102,158.42, 140,984.96 and 56,846.51 is: 78,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,158.42 : 140,984.96 = 56,846.51 : x
  2. Step 2: Convert to fraction form
    102,158.42/140,984.96 = 56,846.51/x
  3. Step 3: Cross multiply
    102,158.42x = 140,984.96 × 56,846.51
  4. Step 4: Simplify right side
    102,158.42x = 8,014,502,478.03
  5. Step 5: Solve for x
    x = 8,014,502,478.03/102,158.42
  6. Step 6: Final answer
    x = 78,451.71

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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.