Home / 101,723.88-140,373.34-56,399.22

Finding the Fourth Proportional to 101,723.88, 140,373.34 and 56,399.22

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Solution

The fourth proportional to 101,723.88, 140,373.34 and 56,399.22 is: 77,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,723.88 : 140,373.34 = 56,399.22 : x
  2. Step 2: Convert to fraction form
    101,723.88/140,373.34 = 56,399.22/x
  3. Step 3: Cross multiply
    101,723.88x = 140,373.34 × 56,399.22
  4. Step 4: Simplify right side
    101,723.88x = 7,916,946,743.80
  5. Step 5: Solve for x
    x = 7,916,946,743.80/101,723.88
  6. Step 6: Final answer
    x = 77,827.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.