Home / 84,076.83-126,258.08-56,176.16

Finding the Fourth Proportional to 84,076.83, 126,258.08 and 56,176.16

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Solution

The fourth proportional to 84,076.83, 126,258.08 and 56,176.16 is: 84,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.83 : 126,258.08 = 56,176.16 : x
  2. Step 2: Convert to fraction form
    84,076.83/126,258.08 = 56,176.16/x
  3. Step 3: Cross multiply
    84,076.83x = 126,258.08 × 56,176.16
  4. Step 4: Simplify right side
    84,076.83x = 7,092,693,191.20
  5. Step 5: Solve for x
    x = 7,092,693,191.20/84,076.83
  6. Step 6: Final answer
    x = 84,359.66

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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.