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Finding the Fourth Proportional to 145,895.95, 218,843.91 and 75,627.64

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Solution

The fourth proportional to 145,895.95, 218,843.91 and 75,627.64 is: 113,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,895.95 : 218,843.91 = 75,627.64 : x
  2. Step 2: Convert to fraction form
    145,895.95/218,843.91 = 75,627.64/x
  3. Step 3: Cross multiply
    145,895.95x = 218,843.91 × 75,627.64
  4. Step 4: Simplify right side
    145,895.95x = 16,550,648,441.67
  5. Step 5: Solve for x
    x = 16,550,648,441.67/145,895.95
  6. Step 6: Final answer
    x = 113,441.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.