Home / 84,008.98-126,157.29-56,108.33

Finding the Fourth Proportional to 84,008.98, 126,157.29 and 56,108.33

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Solution

The fourth proportional to 84,008.98, 126,157.29 and 56,108.33 is: 84,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.98 : 126,157.29 = 56,108.33 : x
  2. Step 2: Convert to fraction form
    84,008.98/126,157.29 = 56,108.33/x
  3. Step 3: Cross multiply
    84,008.98x = 126,157.29 × 56,108.33
  4. Step 4: Simplify right side
    84,008.98x = 7,078,474,859.23
  5. Step 5: Solve for x
    x = 7,078,474,859.23/84,008.98
  6. Step 6: Final answer
    x = 84,258.55

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1.5x scale

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.