Home / 123,518.24-185,136.23-56,101.68

Finding the Fourth Proportional to 123,518.24, 185,136.23 and 56,101.68

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Solution

The fourth proportional to 123,518.24, 185,136.23 and 56,101.68 is: 84,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,518.24 : 185,136.23 = 56,101.68 : x
  2. Step 2: Convert to fraction form
    123,518.24/185,136.23 = 56,101.68/x
  3. Step 3: Cross multiply
    123,518.24x = 185,136.23 × 56,101.68
  4. Step 4: Simplify right side
    123,518.24x = 10,386,453,251.36
  5. Step 5: Solve for x
    x = 10,386,453,251.36/123,518.24
  6. Step 6: Final answer
    x = 84,088.42

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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.