Home / 145,778.49-218,682.32-40,597.56

Finding the Fourth Proportional to 145,778.49, 218,682.32 and 40,597.56

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Solution

The fourth proportional to 145,778.49, 218,682.32 and 40,597.56 is: 60,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,778.49 : 218,682.32 = 40,597.56 : x
  2. Step 2: Convert to fraction form
    145,778.49/218,682.32 = 40,597.56/x
  3. Step 3: Cross multiply
    145,778.49x = 218,682.32 × 40,597.56
  4. Step 4: Simplify right side
    145,778.49x = 8,877,968,404.15
  5. Step 5: Solve for x
    x = 8,877,968,404.15/145,778.49
  6. Step 6: Final answer
    x = 60,900.40

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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.