Home / 88,178.24-121,667.04-52,380.32

Finding the Fourth Proportional to 88,178.24, 121,667.04 and 52,380.32

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Solution

The fourth proportional to 88,178.24, 121,667.04 and 52,380.32 is: 72,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,178.24 : 121,667.04 = 52,380.32 : x
  2. Step 2: Convert to fraction form
    88,178.24/121,667.04 = 52,380.32/x
  3. Step 3: Cross multiply
    88,178.24x = 121,667.04 × 52,380.32
  4. Step 4: Simplify right side
    88,178.24x = 6,372,958,488.65
  5. Step 5: Solve for x
    x = 6,372,958,488.65/88,178.24
  6. Step 6: Final answer
    x = 72,273.60

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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.