Home / 145,647.74-218,499.18-56,895.64

Finding the Fourth Proportional to 145,647.74, 218,499.18 and 56,895.64

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Solution

The fourth proportional to 145,647.74, 218,499.18 and 56,895.64 is: 85,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,647.74 : 218,499.18 = 56,895.64 : x
  2. Step 2: Convert to fraction form
    145,647.74/218,499.18 = 56,895.64/x
  3. Step 3: Cross multiply
    145,647.74x = 218,499.18 × 56,895.64
  4. Step 4: Simplify right side
    145,647.74x = 12,431,650,685.58
  5. Step 5: Solve for x
    x = 12,431,650,685.58/145,647.74
  6. Step 6: Final answer
    x = 85,354.23

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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.