Home / 84,090.54-126,133.08-34,155.87

Finding the Fourth Proportional to 84,090.54, 126,133.08 and 34,155.87

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Solution

The fourth proportional to 84,090.54, 126,133.08 and 34,155.87 is: 51,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.54 : 126,133.08 = 34,155.87 : x
  2. Step 2: Convert to fraction form
    84,090.54/126,133.08 = 34,155.87/x
  3. Step 3: Cross multiply
    84,090.54x = 126,133.08 × 34,155.87
  4. Step 4: Simplify right side
    84,090.54x = 4,308,184,674.22
  5. Step 5: Solve for x
    x = 4,308,184,674.22/84,090.54
  6. Step 6: Final answer
    x = 51,232.69

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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.