Home / 145,625.81-218,438.51-45,794.75

Finding the Fourth Proportional to 145,625.81, 218,438.51 and 45,794.75

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Solution

The fourth proportional to 145,625.81, 218,438.51 and 45,794.75 is: 68,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,625.81 : 218,438.51 = 45,794.75 : x
  2. Step 2: Convert to fraction form
    145,625.81/218,438.51 = 45,794.75/x
  3. Step 3: Cross multiply
    145,625.81x = 218,438.51 × 45,794.75
  4. Step 4: Simplify right side
    145,625.81x = 10,003,335,634.66
  5. Step 5: Solve for x
    x = 10,003,335,634.66/145,625.81
  6. Step 6: Final answer
    x = 68,692.05

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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.