Home / 84,009.23-126,157.67-56,108.57

Finding the Fourth Proportional to 84,009.23, 126,157.67 and 56,108.57

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Solution

The fourth proportional to 84,009.23, 126,157.67 and 56,108.57 is: 84,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.23 : 126,157.67 = 56,108.57 : x
  2. Step 2: Convert to fraction form
    84,009.23/126,157.67 = 56,108.57/x
  3. Step 3: Cross multiply
    84,009.23x = 126,157.67 × 56,108.57
  4. Step 4: Simplify right side
    84,009.23x = 7,078,526,458.23
  5. Step 5: Solve for x
    x = 7,078,526,458.23/84,009.23
  6. Step 6: Final answer
    x = 84,258.91

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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.