Home / 150,491.48-225,718.74-87,345.95

Finding the Fourth Proportional to 150,491.48, 225,718.74 and 87,345.95

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Solution

The fourth proportional to 150,491.48, 225,718.74 and 87,345.95 is: 131,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,491.48 : 225,718.74 = 87,345.95 : x
  2. Step 2: Convert to fraction form
    150,491.48/225,718.74 = 87,345.95/x
  3. Step 3: Cross multiply
    150,491.48x = 225,718.74 × 87,345.95
  4. Step 4: Simplify right side
    150,491.48x = 19,715,616,649.51
  5. Step 5: Solve for x
    x = 19,715,616,649.51/150,491.48
  6. Step 6: Final answer
    x = 131,008.20

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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.