Home / 152,928.75-211,041.68-85,860.75

Finding the Fourth Proportional to 152,928.75, 211,041.68 and 85,860.75

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Solution

The fourth proportional to 152,928.75, 211,041.68 and 85,860.75 is: 118,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,928.75 : 211,041.68 = 85,860.75 : x
  2. Step 2: Convert to fraction form
    152,928.75/211,041.68 = 85,860.75/x
  3. Step 3: Cross multiply
    152,928.75x = 211,041.68 × 85,860.75
  4. Step 4: Simplify right side
    152,928.75x = 18,120,196,926.06
  5. Step 5: Solve for x
    x = 18,120,196,926.06/152,928.75
  6. Step 6: Final answer
    x = 118,487.84

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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.