Home / 152,928.26-211,041-85,860.26

Finding the Fourth Proportional to 152,928.26, 211,041 and 85,860.26

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Solution

The fourth proportional to 152,928.26, 211,041 and 85,860.26 is: 118,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,928.26 : 211,041 = 85,860.26 : x
  2. Step 2: Convert to fraction form
    152,928.26/211,041 = 85,860.26/x
  3. Step 3: Cross multiply
    152,928.26x = 211,041 × 85,860.26
  4. Step 4: Simplify right side
    152,928.26x = 18,120,035,130.66
  5. Step 5: Solve for x
    x = 18,120,035,130.66/152,928.26
  6. Step 6: Final answer
    x = 118,487.16

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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.