Home / 145,568.50-218,222.89-56,801.36

Finding the Fourth Proportional to 145,568.50, 218,222.89 and 56,801.36

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Solution

The fourth proportional to 145,568.50, 218,222.89 and 56,801.36 is: 85,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,568.50 : 218,222.89 = 56,801.36 : x
  2. Step 2: Convert to fraction form
    145,568.50/218,222.89 = 56,801.36/x
  3. Step 3: Cross multiply
    145,568.50x = 218,222.89 × 56,801.36
  4. Step 4: Simplify right side
    145,568.50x = 12,395,357,658.19
  5. Step 5: Solve for x
    x = 12,395,357,658.19/145,568.50
  6. Step 6: Final answer
    x = 85,151.37

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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.