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Finding the Fourth Proportional to 152,605.71, 210,584.48 and 85,524.75

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Solution

The fourth proportional to 152,605.71, 210,584.48 and 85,524.75 is: 118,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,605.71 : 210,584.48 = 85,524.75 : x
  2. Step 2: Convert to fraction form
    152,605.71/210,584.48 = 85,524.75/x
  3. Step 3: Cross multiply
    152,605.71x = 210,584.48 × 85,524.75
  4. Step 4: Simplify right side
    152,605.71x = 18,010,184,578.26
  5. Step 5: Solve for x
    x = 18,010,184,578.26/152,605.71
  6. Step 6: Final answer
    x = 118,017.76

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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.