Home / 101,973.93-140,723.91-56,656.13

Finding the Fourth Proportional to 101,973.93, 140,723.91 and 56,656.13

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Solution

The fourth proportional to 101,973.93, 140,723.91 and 56,656.13 is: 78,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,973.93 : 140,723.91 = 56,656.13 : x
  2. Step 2: Convert to fraction form
    101,973.93/140,723.91 = 56,656.13/x
  3. Step 3: Cross multiply
    101,973.93x = 140,723.91 × 56,656.13
  4. Step 4: Simplify right side
    101,973.93x = 7,972,871,435.45
  5. Step 5: Solve for x
    x = 7,972,871,435.45/101,973.93
  6. Step 6: Final answer
    x = 78,185.39

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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.