Home / 145,389.70-218,083.83-38,773.42

Finding the Fourth Proportional to 145,389.70, 218,083.83 and 38,773.42

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Solution

The fourth proportional to 145,389.70, 218,083.83 and 38,773.42 is: 58,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,389.70 : 218,083.83 = 38,773.42 : x
  2. Step 2: Convert to fraction form
    145,389.70/218,083.83 = 38,773.42/x
  3. Step 3: Cross multiply
    145,389.70x = 218,083.83 × 38,773.42
  4. Step 4: Simplify right side
    145,389.70x = 8,455,855,935.80
  5. Step 5: Solve for x
    x = 8,455,855,935.80/145,389.70
  6. Step 6: Final answer
    x = 58,159.94

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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.