Home / 124,239.69-186,389.28-40,007.77

Finding the Fourth Proportional to 124,239.69, 186,389.28 and 40,007.77

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Solution

The fourth proportional to 124,239.69, 186,389.28 and 40,007.77 is: 60,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,239.69 : 186,389.28 = 40,007.77 : x
  2. Step 2: Convert to fraction form
    124,239.69/186,389.28 = 40,007.77/x
  3. Step 3: Cross multiply
    124,239.69x = 186,389.28 × 40,007.77
  4. Step 4: Simplify right side
    124,239.69x = 7,457,018,978.73
  5. Step 5: Solve for x
    x = 7,457,018,978.73/124,239.69
  6. Step 6: Final answer
    x = 60,021.23

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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.