Home / 83,705.27-126,133.34-69,238.26

Finding the Fourth Proportional to 83,705.27, 126,133.34 and 69,238.26

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Solution

The fourth proportional to 83,705.27, 126,133.34 and 69,238.26 is: 104,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,705.27 : 126,133.34 = 69,238.26 : x
  2. Step 2: Convert to fraction form
    83,705.27/126,133.34 = 69,238.26/x
  3. Step 3: Cross multiply
    83,705.27x = 126,133.34 × 69,238.26
  4. Step 4: Simplify right side
    83,705.27x = 8,733,252,643.40
  5. Step 5: Solve for x
    x = 8,733,252,643.40/83,705.27
  6. Step 6: Final answer
    x = 104,333.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.