Home / 92,434.80-138,671.76-30,100.56

Finding the Fourth Proportional to 92,434.80, 138,671.76 and 30,100.56

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Solution

The fourth proportional to 92,434.80, 138,671.76 and 30,100.56 is: 45,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,434.80 : 138,671.76 = 30,100.56 : x
  2. Step 2: Convert to fraction form
    92,434.80/138,671.76 = 30,100.56/x
  3. Step 3: Cross multiply
    92,434.80x = 138,671.76 × 30,100.56
  4. Step 4: Simplify right side
    92,434.80x = 4,174,097,632.19
  5. Step 5: Solve for x
    x = 4,174,097,632.19/92,434.80
  6. Step 6: Final answer
    x = 45,157.21

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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.