Home / 243,569.05-365,310.51-66,089.89

Finding the Fourth Proportional to 243,569.05, 365,310.51 and 66,089.89

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Solution

The fourth proportional to 243,569.05, 365,310.51 and 66,089.89 is: 99,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569.05 : 365,310.51 = 66,089.89 : x
  2. Step 2: Convert to fraction form
    243,569.05/365,310.51 = 66,089.89/x
  3. Step 3: Cross multiply
    243,569.05x = 365,310.51 × 66,089.89
  4. Step 4: Simplify right side
    243,569.05x = 24,143,331,421.74
  5. Step 5: Solve for x
    x = 24,143,331,421.74/243,569.05
  6. Step 6: Final answer
    x = 99,123.15

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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.