Home / 103,924.36-143,415.54-56,177.72

Finding the Fourth Proportional to 103,924.36, 143,415.54 and 56,177.72

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Solution

The fourth proportional to 103,924.36, 143,415.54 and 56,177.72 is: 77,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,924.36 : 143,415.54 = 56,177.72 : x
  2. Step 2: Convert to fraction form
    103,924.36/143,415.54 = 56,177.72/x
  3. Step 3: Cross multiply
    103,924.36x = 143,415.54 × 56,177.72
  4. Step 4: Simplify right side
    103,924.36x = 8,056,757,870.50
  5. Step 5: Solve for x
    x = 8,056,757,870.50/103,924.36
  6. Step 6: Final answer
    x = 77,525.21

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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.