Home / 145,607.10-218,324.46-56,756.88

Finding the Fourth Proportional to 145,607.10, 218,324.46 and 56,756.88

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Solution

The fourth proportional to 145,607.10, 218,324.46 and 56,756.88 is: 85,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,607.10 : 218,324.46 = 56,756.88 : x
  2. Step 2: Convert to fraction form
    145,607.10/218,324.46 = 56,756.88/x
  3. Step 3: Cross multiply
    145,607.10x = 218,324.46 × 56,756.88
  4. Step 4: Simplify right side
    145,607.10x = 12,391,415,177.28
  5. Step 5: Solve for x
    x = 12,391,415,177.28/145,607.10
  6. Step 6: Final answer
    x = 85,101.72

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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.